49290146 has 4 divisors (see below), whose sum is σ = 73935222. Its totient is φ = 24645072.

The previous prime is 49290139. The next prime is 49290151. The reversal of 49290146 is 64109294.

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

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 7623121 = 6455^2 + 2761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12322535 + ... + 12322538.

Almost surely, 2^49290146 is an apocalyptic number.

49290146 is a deficient number, since it is larger than the sum of its proper divisors (24645076).

49290146 is a wasteful number, since it uses less digits than its factorization.

49290146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24645075.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 49290146 is about 7020.6941252272. The cubic root of 49290146 is about 366.6514173640.

The spelling of 49290146 in words is "forty-nine million, two hundred ninety thousand, one hundred forty-six".