45498642 has 16 divisors (see below), whose sum is σ = 103996992. Its totient is φ = 12999600.

The previous prime is 45498611. The next prime is 45498667. The reversal of 45498642 is 24689454.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1083301 = 45498642 / (4 + 5 + 4 + 9 + 8 + 6 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 45498594 and 45498603.

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, 541609 + ... + 541692.

It is an arithmetic number, because the mean of its divisors is an integer number (6499812).

Almost surely, 2^45498642 is an apocalyptic number.

45498642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45498642 is an abundant number, since it is smaller than the sum of its proper divisors (58498350).

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

45498642 is a wasteful number, since it uses less digits than its factorization.

45498642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083313.

The product of its digits is 276480, while the sum is 42.

The square root of 45498642 is about 6745.2681192077. The cubic root of 45498642 is about 356.9982973500.

The spelling of 45498642 in words is "forty-five million, four hundred ninety-eight thousand, six hundred forty-two".