155454604023 has 32 divisors (see below), whose sum is σ = 218138054400. Its totient is φ = 98329016576.

The previous prime is 155454604013. The next prime is 155454604033. The reversal of 155454604023 is 320406454551.

It is an interprime number because it is at equal distance from previous prime (155454604013) and next prime (155454604033).

It is not a de Polignac number, because 155454604023 - 2²⁵ = 155421049591 is a prime.

It is a super-2 number, since 2×155454604023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155454604013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20256115 + ... + 20263787.

It is an arithmetic number, because the mean of its divisors is an integer number (6816814200).

Almost surely, 2^155454604023 is an apocalyptic number.

155454604023 is a deficient number, since it is larger than the sum of its proper divisors (62683450377).

155454604023 is a wasteful number, since it uses less digits than its factorization.

155454604023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 155454604023 in words is "one hundred fifty-five billion, four hundred fifty-four million, six hundred four thousand, twenty-three".