149115895747 has 32 divisors (see below), whose sum is σ = 192375912960. Its totient is φ = 112427239680.

The previous prime is 149115895739. The next prime is 149115895783. The reversal of 149115895747 is 747598511941.

It is a happy number.

It is not a de Polignac number, because 149115895747 - 2³ = 149115895739 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (149115895787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304297 + ... + 625162.

It is an arithmetic number, because the mean of its divisors is an integer number (6011747280).

Almost surely, 2^149115895747 is an apocalyptic number.

149115895747 is a deficient number, since it is larger than the sum of its proper divisors (43260017213).

149115895747 is a wasteful number, since it uses less digits than its factorization.

149115895747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929563.

The product of its digits is 12700800, while the sum is 61.

The spelling of 149115895747 in words is "one hundred forty-nine billion, one hundred fifteen million, eight hundred ninety-five thousand, seven hundred forty-seven".