45191142 has 16 divisors (see below), whose sum is σ = 100424880. Its totient is φ = 15063696.

The previous prime is 45191119. The next prime is 45191183. The reversal of 45191142 is 24119154.

45191142 is a `hidden beast` number, since 4 + 519 + 1 + 142 = 666.

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

It is a congruent number.

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, 418383 + ... + 418490.

It is an arithmetic number, because the mean of its divisors is an integer number (6276555).

Almost surely, 2^45191142 is an apocalyptic number.

45191142 is an abundant number, since it is smaller than the sum of its proper divisors (55233738).

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

45191142 is a wasteful number, since it uses less digits than its factorization.

45191142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836884 (or 836878 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 45191142 is about 6722.4357192910. The cubic root of 45191142 is about 356.1922277508.

The spelling of 45191142 in words is "forty-five million, one hundred ninety-one thousand, one hundred forty-two".