155288601 has 24 divisors (see below), whose sum is σ = 244485696. Its totient is φ = 94404960.

The previous prime is 155288563. The next prime is 155288603. The reversal of 155288601 is 106882551.

It is not a de Polignac number, because 155288601 - 2⁶ = 155288537 is a prime.

It is a super-2 number, since 2×155288601² = 48229099201074402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155288603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (10186904).

Almost surely, 2^155288601 is an apocalyptic number.

It is an amenable number.

155288601 is a deficient number, since it is larger than the sum of its proper divisors (89197095).

155288601 is a wasteful number, since it uses less digits than its factorization.

155288601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16093 (or 16090 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 155288601 is about 12461.4847028755. The cubic root of 155288601 is about 537.5017209968.

The spelling of 155288601 in words is "one hundred fifty-five million, two hundred eighty-eight thousand, six hundred one".