45156842 has 4 divisors (see below), whose sum is σ = 67735266. Its totient is φ = 22578420.

The previous prime is 45156833. The next prime is 45156869. The reversal of 45156842 is 24865154.

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., 45144961 + 11881 = 6719^2 + 109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11289209 + ... + 11289212.

Almost surely, 2^45156842 is an apocalyptic number.

45156842 is a deficient number, since it is larger than the sum of its proper divisors (22578424).

45156842 is a wasteful number, since it uses less digits than its factorization.

45156842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578423.

The product of its digits is 38400, while the sum is 35.

The square root of 45156842 is about 6719.8840763811. The cubic root of 45156842 is about 356.1020885099.

The spelling of 45156842 in words is "forty-five million, one hundred fifty-six thousand, eight hundred forty-two".