45861530 has 48 divisors (see below), whose sum is σ = 97555104. Its totient is φ = 15387840.

The previous prime is 45861509. The next prime is 45861547. The reversal of 45861530 is 3516854.

45861530 = T₂₃₁ + T₂₃₂ + ... + T₆₅₉.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17357 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (2032398).

Almost surely, 2^45861530 is an apocalyptic number.

45861530 is an abundant number, since it is smaller than the sum of its proper divisors (51693574).

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

45861530 is a wasteful number, since it uses less digits than its factorization.

45861530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45861530 is about 6772.1141455235. The cubic root of 45861530 is about 357.9449006470.

It can be divided in two parts, 4586 and 1530, that added together give a palindrome (6116).

The spelling of 45861530 in words is "forty-five million, eight hundred sixty-one thousand, five hundred thirty".