45984142 has 16 divisors (see below), whose sum is σ = 74154240. Its totient is φ = 21317688.

The previous prime is 45984139. The next prime is 45984143. The reversal of 45984142 is 24148954.

It is a super-2 number, since 2×45984142² = 4229082630952328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45984143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11088 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (4634640).

Almost surely, 2^45984142 is an apocalyptic number.

45984142 is a deficient number, since it is larger than the sum of its proper divisors (28170098).

45984142 is a wasteful number, since it uses less digits than its factorization.

45984142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25815.

The product of its digits is 46080, while the sum is 37.

The square root of 45984142 is about 6781.1608150817. The cubic root of 45984142 is about 358.2636084757.

The spelling of 45984142 in words is "forty-five million, nine hundred eighty-four thousand, one hundred forty-two".