45387954 has 24 divisors (see below), whose sum is σ = 98476092. Its totient is φ = 15108480.

The previous prime is 45387931. The next prime is 45387959. The reversal of 45387954 is 45978354.

It can be written as a sum of positive squares in 2 ways, for example, as 45198729 + 189225 = 6723^2 + 435^2 .

It is a super-2 number, since 2×45387954² = 4120132736612232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45387959) 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 11 ways as a sum of consecutive naturals, for example, 17374 + ... + 19814.

Almost surely, 2^45387954 is an apocalyptic number.

45387954 is an abundant number, since it is smaller than the sum of its proper divisors (53088138).

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

45387954 is a wasteful number, since it uses less digits than its factorization.

45387954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3479 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 45387954 is about 6737.0582601014. The cubic root of 45387954 is about 356.7085633181.

The spelling of 45387954 in words is "forty-five million, three hundred eighty-seven thousand, nine hundred fifty-four".