45012402 has 16 divisors (see below), whose sum is σ = 100027680. Its totient is φ = 15004116.

The previous prime is 45012377. The next prime is 45012427. The reversal of 45012402 is 20421054.

It is an interprime number because it is at equal distance from previous prime (45012377) and next prime (45012427).

It is a super-2 number, since 2×45012402² = 4052232667619208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416728 + ... + 416835.

It is an arithmetic number, because the mean of its divisors is an integer number (6251730).

Almost surely, 2^45012402 is an apocalyptic number.

45012402 is an abundant number, since it is smaller than the sum of its proper divisors (55015278).

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

45012402 is a wasteful number, since it uses less digits than its factorization.

45012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833574 (or 833568 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 45012402 is about 6709.1282593195. The cubic root of 45012402 is about 355.7220034408.

Adding to 45012402 its reverse (20421054), we get a palindrome (65433456).

It can be divided in two parts, 4501 and 2402, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 45012402 in words is "forty-five million, twelve thousand, four hundred two".