155147672534 has 16 divisors (see below), whose sum is σ = 240112751760. Its totient is φ = 75137312640.

The previous prime is 155147672507. The next prime is 155147672539. The reversal of 155147672534 is 435276741551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155147672539) 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, 6794519 + ... + 6817314.

It is an arithmetic number, because the mean of its divisors is an integer number (15007046985).

Almost surely, 2^155147672534 is an apocalyptic number.

155147672534 is a deficient number, since it is larger than the sum of its proper divisors (84965079226).

155147672534 is a wasteful number, since it uses less digits than its factorization.

155147672534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612015.

The product of its digits is 3528000, while the sum is 50.

The spelling of 155147672534 in words is "one hundred fifty-five billion, one hundred forty-seven million, six hundred seventy-two thousand, five hundred thirty-four".