45043950 has 48 divisors (see below), whose sum is σ = 127670400. Its totient is φ = 10295520.

The previous prime is 45043937. The next prime is 45043951. The reversal of 45043950 is 5934054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45043951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20400 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (2659800).

Almost surely, 2^45043950 is an apocalyptic number.

45043950 is an abundant number, since it is smaller than the sum of its proper divisors (82626450).

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

45043950 is a wasteful number, since it uses less digits than its factorization.

45043950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42921 (or 42916 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 45043950 is about 6711.4789726259. The cubic root of 45043950 is about 355.8050894088.

The spelling of 45043950 in words is "forty-five million, forty-three thousand, nine hundred fifty".