45625239 has 24 divisors (see below), whose sum is σ = 72918144. Its totient is φ = 27258000.

The previous prime is 45625201. The next prime is 45625241. The reversal of 45625239 is 93252654.

45625239 is a `hidden beast` number, since 4 + 5 + 625 + 23 + 9 = 666.

It is not a de Polignac number, because 45625239 - 2⁹ = 45624727 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45625259) 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, 3784 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (3038256).

Almost surely, 2^45625239 is an apocalyptic number.

45625239 is a deficient number, since it is larger than the sum of its proper divisors (27292905).

45625239 is a wasteful number, since it uses less digits than its factorization.

45625239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579 (or 6576 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 45625239 is about 6754.6457346037. The cubic root of 45625239 is about 357.3290988776.

It can be divided in two parts, 4562 and 5239, that added together give a square (9801 = 99²).

The spelling of 45625239 in words is "forty-five million, six hundred twenty-five thousand, two hundred thirty-nine".