45245190 has 16 divisors (see below), whose sum is σ = 108588528. Its totient is φ = 12065376.

The previous prime is 45245149. The next prime is 45245201. The reversal of 45245190 is 9154254.

It is a super-2 number, since 2×45245190² = 4094254436272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1508173 = 45245190 / (4 + 5 + 2 + 4 + 5 + 1 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 754057 + ... + 754116.

It is an arithmetic number, because the mean of its divisors is an integer number (6786783).

Almost surely, 2^45245190 is an apocalyptic number.

45245190 is an abundant number, since it is smaller than the sum of its proper divisors (63343338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45245190 is a wasteful number, since it uses less digits than its factorization.

45245190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508183.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 45245190 is about 6726.4544895509. The cubic root of 45245190 is about 356.3341715547.

The spelling of 45245190 in words is "forty-five million, two hundred forty-five thousand, one hundred ninety".