45400228 has 6 divisors (see below), whose sum is σ = 79450406. Its totient is φ = 22700112.

The previous prime is 45400211. The next prime is 45400231. The reversal of 45400228 is 82200454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 4848804 = 6368^2 + 2202^2 .

It is a super-2 number, since 2×45400228² = 4122361404903968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675025 + ... + 5675032.

Almost surely, 2^45400228 is an apocalyptic number.

It is an amenable number.

45400228 is a deficient number, since it is larger than the sum of its proper divisors (34050178).

45400228 is a wasteful number, since it uses less digits than its factorization.

45400228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350061 (or 11350059 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 45400228 is about 6737.9691302350. The cubic root of 45400228 is about 356.7407146264.

The spelling of 45400228 in words is "forty-five million, four hundred thousand, two hundred twenty-eight".