45129250 has 32 divisors (see below), whose sum is σ = 85398768. Its totient is φ = 17856000.

The previous prime is 45129241. The next prime is 45129251. The reversal of 45129250 is 5292154.

It can be written as a sum of positive squares in 8 ways, for example, as 2187441 + 42941809 = 1479^2 + 6553^2 .

It is not an unprimeable number, because it can be changed into a prime (45129251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23320 + ... + 25180.

Almost surely, 2^45129250 is an apocalyptic number.

45129250 is a deficient number, since it is larger than the sum of its proper divisors (40269518).

45129250 is a wasteful number, since it uses less digits than its factorization.

45129250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45129250 is about 6717.8307510684. The cubic root of 45129250 is about 356.0295445328.

The spelling of 45129250 in words is "forty-five million, one hundred twenty-nine thousand, two hundred fifty".