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145412552999 = 723903183559
BaseRepresentation
bin1000011101101101000…
…0110111100100100111
3111220100001101001122002
42013123100313210213
54340301103143444
6150445051355515
713335313210130
oct2073320674447
9456301331562
10145412552999
115673a66033a
1224222452b9b
1310935038a8c
147076400c87
153bb0ebad4e
hex21db437927

145412552999 has 8 divisors (see below), whose sum is σ = 173411243520. Its totient is φ = 119220229656.

The previous prime is 145412552951. The next prime is 145412553001. The reversal of 145412552999 is 999255214541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145412552999 - 216 = 145412487463 is a prime.

It is a super-2 number, since 2×1454125529992 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412552939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451591619 + ... + 451591940.

It is an arithmetic number, because the mean of its divisors is an integer number (21676405440).

Almost surely, 2145412552999 is an apocalyptic number.

145412552999 is a deficient number, since it is larger than the sum of its proper divisors (27998690521).

145412552999 is an equidigital number, since it uses as much as digits as its factorization.

145412552999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903183589.

The product of its digits is 5832000, while the sum is 56.

The spelling of 145412552999 in words is "one hundred forty-five billion, four hundred twelve million, five hundred fifty-two thousand, nine hundred ninety-nine".

Divisors: 1 7 23 161 903183559 6322284913 20773221857 145412552999