155145136034157 has 32 divisors (see below), whose sum is σ = 213638552899200. Its totient is φ = 100085848031232.

The previous prime is 155145136034153. The next prime is 155145136034171. The reversal of 155145136034157 is 751430631541551.

It is a happy number.

It is not a de Polignac number, because 155145136034157 - 2² = 155145136034153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155145136034153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116791069 + ... + 118111997.

It is an arithmetic number, because the mean of its divisors is an integer number (6676204778100).

Almost surely, 2^{155145136034157} is an apocalyptic number.

It is an amenable number.

155145136034157 is a deficient number, since it is larger than the sum of its proper divisors (58493416865043).

155145136034157 is a wasteful number, since it uses less digits than its factorization.

155145136034157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329437.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 155145136034157 in words is "one hundred fifty-five trillion, one hundred forty-five billion, one hundred thirty-six million, thirty-four thousand, one hundred fifty-seven".