45526531 has 4 divisors (see below), whose sum is σ = 45854200. Its totient is φ = 45198864.

The previous prime is 45526529. The next prime is 45526541. The reversal of 45526531 is 13562554.

45526531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45526531 - 2¹ = 45526529 is a prime.

It is a super-2 number, since 2×45526531² = 4145330049787922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45526493 and 45526502.

It is not an unprimeable number, because it can be changed into a prime (45526541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163626 + ... + 163903.

It is an arithmetic number, because the mean of its divisors is an integer number (11463550).

Almost surely, 2^45526531 is an apocalyptic number.

45526531 is the 3018-th centered decagonal number.

45526531 is a deficient number, since it is larger than the sum of its proper divisors (327669).

45526531 is a wasteful number, since it uses less digits than its factorization.

45526531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327668.

The product of its digits is 18000, while the sum is 31.

The square root of 45526531 is about 6747.3351035798. The cubic root of 45526531 is about 357.0712247422.

The spelling of 45526531 in words is "forty-five million, five hundred twenty-six thousand, five hundred thirty-one".