45945442 has 8 divisors (see below), whose sum is σ = 68951232. Its totient is φ = 22961700.

The previous prime is 45945437. The next prime is 45945463. The reversal of 45945442 is 24454954.

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

It is a super-2 number, since 2×45945442² = 4221967281150728, 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, 1467 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (8618904).

Almost surely, 2^45945442 is an apocalyptic number.

45945442 is a deficient number, since it is larger than the sum of its proper divisors (23005790).

45945442 is a wasteful number, since it uses less digits than its factorization.

45945442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024.

The product of its digits is 115200, while the sum is 37.

The square root of 45945442 is about 6778.3067207084. The cubic root of 45945442 is about 358.1630760430.

The spelling of 45945442 in words is "forty-five million, nine hundred forty-five thousand, four hundred forty-two".