45942394 has 8 divisors (see below), whose sum is σ = 70043508. Its totient is φ = 22594560.

The previous prime is 45942383. The next prime is 45942433. The reversal of 45942394 is 49324954.

It can be written as a sum of positive squares in 2 ways, for example, as 45360225 + 582169 = 6735^2 + 763^2 .

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

It is a super-2 number, since 2×45942394² = 4221407132902472, which contains 22 as substring.

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, 188167 + ... + 188410.

Almost surely, 2^45942394 is an apocalyptic number.

45942394 is a deficient number, since it is larger than the sum of its proper divisors (24101114).

45942394 is a wasteful number, since it uses less digits than its factorization.

45942394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376640.

The product of its digits is 155520, while the sum is 40.

The square root of 45942394 is about 6778.0818820666. The cubic root of 45942394 is about 358.1551557420.

The spelling of 45942394 in words is "forty-five million, nine hundred forty-two thousand, three hundred ninety-four".