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145265507 = 1913158363
BaseRepresentation
bin10001010100010…
…01001101100011
3101010100020210222
420222021031203
5244141444012
622225313255
73412510412
oct1052111543
9333306728
10145265507
1174aa9142
124079582b
1324131c2a
1415415479
15cb46972
hex8a89363

145265507 has 8 divisors (see below), whose sum is σ = 154080960. Its totient is φ = 136567080.

The previous prime is 145265489. The next prime is 145265513. The reversal of 145265507 is 705562541.

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 145265507 - 28 = 145265251 is a prime.

It is a super-2 number, since 2×1452655072 = 42204135047934098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145265807) 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, 26693 + ... + 31670.

It is an arithmetic number, because the mean of its divisors is an integer number (19260120).

Almost surely, 2145265507 is an apocalyptic number.

145265507 is a deficient number, since it is larger than the sum of its proper divisors (8815453).

145265507 is a wasteful number, since it uses less digits than its factorization.

145265507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58513.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 145265507 is about 12052.6141147885. The cubic root of 145265507 is about 525.6792502032.

The spelling of 145265507 in words is "one hundred forty-five million, two hundred sixty-five thousand, five hundred seven".

Divisors: 1 19 131 2489 58363 1108897 7645553 145265507