45399529 has 24 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 36648864.

The previous prime is 45399527. The next prime is 45399547. The reversal of 45399529 is 92599354.

It is not a de Polignac number, because 45399529 - 2¹ = 45399527 is a prime.

It is a super-2 number, since 2×45399529² = 4122234466843682, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45399527) 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, 60732 + ... + 61474.

It is an arithmetic number, because the mean of its divisors is an integer number (2332440).

Almost surely, 2^45399529 is an apocalyptic number.

45399529 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45399529 is a deficient number, since it is larger than the sum of its proper divisors (10579031).

45399529 is a wasteful number, since it uses less digits than its factorization.

45399529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 822 counting only the distinct ones).

The product of its digits is 437400, while the sum is 46.

The square root of 45399529 is about 6737.9172598066. The cubic root of 45399529 is about 356.7388837763.

The spelling of 45399529 in words is "forty-five million, three hundred ninety-nine thousand, five hundred twenty-nine".