45015642 has 32 divisors (see below), whose sum is σ = 114326400. Its totient is φ = 12861504.

The previous prime is 45015637. The next prime is 45015647. The reversal of 45015642 is 24651054.

45015642 is a `hidden beast` number, since 4 + 5 + 0 + 15 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (45015637) and next prime (45015647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45015647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59167 + ... + 59922.

It is an arithmetic number, because the mean of its divisors is an integer number (3572700).

Almost surely, 2^45015642 is an apocalyptic number.

45015642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45015642 is an abundant number, since it is smaller than the sum of its proper divisors (69310758).

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

45015642 is a wasteful number, since it uses less digits than its factorization.

45015642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119107 (or 119101 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45015642 is about 6709.3697170450. The cubic root of 45015642 is about 355.7305382119.

Adding to 45015642 its reverse (24651054), we get a palindrome (69666696).

The spelling of 45015642 in words is "forty-five million, fifteen thousand, six hundred forty-two".