45214018 has 4 divisors (see below), whose sum is σ = 67821030. Its totient is φ = 22607008.

The previous prime is 45213983. The next prime is 45214051. The reversal of 45214018 is 81041254.

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., 37051569 + 8162449 = 6087^2 + 2857^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45213983 and 45214001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303503 + ... + 11303506.

Almost surely, 2^45214018 is an apocalyptic number.

45214018 is a deficient number, since it is larger than the sum of its proper divisors (22607012).

45214018 is a wasteful number, since it uses less digits than its factorization.

45214018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22607011.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45214018 is about 6724.1369706454. The cubic root of 45214018 is about 356.2523197551.

It can be divided in two parts, 4521 and 4018, that multiplied together give a triangular number (18165378 = T₆₀₂₇).

The spelling of 45214018 in words is "forty-five million, two hundred fourteen thousand, eighteen".