149576542 has 4 divisors (see below), whose sum is σ = 224364816. Its totient is φ = 74788270.

The previous prime is 149576509. The next prime is 149576561. The reversal of 149576542 is 245675941.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37394134 + ... + 37394137.

It is an arithmetic number, because the mean of its divisors is an integer number (56091204).

Almost surely, 2^149576542 is an apocalyptic number.

149576542 is a deficient number, since it is larger than the sum of its proper divisors (74788274).

149576542 is an equidigital number, since it uses as much as digits as its factorization.

149576542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74788273.

The product of its digits is 302400, while the sum is 43.

The square root of 149576542 is about 12230.1488952506. The cubic root of 149576542 is about 530.8288230496.

The spelling of 149576542 in words is "one hundred forty-nine million, five hundred seventy-six thousand, five hundred forty-two".