149115424 has 12 divisors (see below), whose sum is σ = 293571054. Its totient is φ = 74557696.

The previous prime is 149115409. The next prime is 149115427. The reversal of 149115424 is 424511941.

It can be written as a sum of positive squares in only one way, i.e., 110923024 + 38192400 = 10532^2 + 6180^2 .

It is not an unprimeable number, because it can be changed into a prime (149115427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2329897 + ... + 2329960.

Almost surely, 2^149115424 is an apocalyptic number.

It is an amenable number.

149115424 is a deficient number, since it is larger than the sum of its proper divisors (144455630).

149115424 is an equidigital number, since it uses as much as digits as its factorization.

149115424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659867 (or 4659859 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 149115424 is about 12211.2826517119. The cubic root of 149115424 is about 530.2827777807.

The spelling of 149115424 in words is "one hundred forty-nine million, one hundred fifteen thousand, four hundred twenty-four".