149508538 has 8 divisors (see below), whose sum is σ = 224373888. Its totient is φ = 74717244.

The previous prime is 149508529. The next prime is 149508547. The reversal of 149508538 is 835805941.

149508538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149508529) and next prime (149508547).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149508494 and 149508503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13156 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (28046736).

Almost surely, 2^149508538 is an apocalyptic number.

149508538 is a deficient number, since it is larger than the sum of its proper divisors (74865350).

149508538 is a wasteful number, since it uses less digits than its factorization.

149508538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37028.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 149508538 is about 12227.3684004368. The cubic root of 149508538 is about 530.7483649001.

The spelling of 149508538 in words is "one hundred forty-nine million, five hundred eight thousand, five hundred thirty-eight".