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145125413511252 = 22312093784459271
BaseRepresentation
bin100000111111110110100100…
…101110000110000001010100
3201000211212001121000010212120
4200333312210232012001110
5123010213321324330002
61232353410010215540
742365652015225246
oct4077664456060124
9630755047003776
10145125413511252
1142272384573a69
121433a33b4245b0
1362c93633b0005
1427ba170d5c096
1511ba0a209bcbc
hex83fda4b86054

145125413511252 has 12 divisors (see below), whose sum is σ = 338625964859616. Its totient is φ = 48375137837080.

The previous prime is 145125413511217. The next prime is 145125413511259. The reversal of 145125413511252 is 252115314521541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1451254135112522 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145125413511259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046892229624 + ... + 6046892229647.

It is an arithmetic number, because the mean of its divisors is an integer number (28218830404968).

Almost surely, 2145125413511252 is an apocalyptic number.

145125413511252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145125413511252 is an abundant number, since it is smaller than the sum of its proper divisors (193500551348364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145125413511252 is a wasteful number, since it uses less digits than its factorization.

145125413511252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093784459278 (or 12093784459276 counting only the distinct ones).

The product of its digits is 240000, while the sum is 42.

The spelling of 145125413511252 in words is "one hundred forty-five trillion, one hundred twenty-five billion, four hundred thirteen million, five hundred eleven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 12093784459271 24187568918542 36281353377813 48375137837084 72562706755626 145125413511252