155604620245 has 16 divisors (see below), whose sum is σ = 196658706240. Its totient is φ = 117868621824.

The previous prime is 155604620239. The next prime is 155604620251. The reversal of 155604620245 is 542026406551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155604620239) and next prime (155604620251).

It is a cyclic number.

It is not a de Polignac number, because 155604620245 - 2²⁵ = 155571065813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155604620198 and 155604620207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 261292 + ... + 616021.

It is an arithmetic number, because the mean of its divisors is an integer number (12291169140).

Almost surely, 2^155604620245 is an apocalyptic number.

It is an amenable number.

155604620245 is a deficient number, since it is larger than the sum of its proper divisors (41054085995).

155604620245 is a wasteful number, since it uses less digits than its factorization.

155604620245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879204.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 155604620245 in words is "one hundred fifty-five billion, six hundred four million, six hundred twenty thousand, two hundred forty-five".