45019527 has 16 divisors (see below), whose sum is σ = 68765952. Its totient is φ = 25663680.

The previous prime is 45019489. The next prime is 45019589. The reversal of 45019527 is 72591054.

It is not a de Polignac number, because 45019527 - 2¹² = 45015431 is a prime.

It is a super-2 number, since 2×45019527² = 4053515622607458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7252 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (4297872).

Almost surely, 2^45019527 is an apocalyptic number.

45019527 is a deficient number, since it is larger than the sum of its proper divisors (23746425).

45019527 is a wasteful number, since it uses less digits than its factorization.

45019527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45019527 is about 6709.6592312874. The cubic root of 45019527 is about 355.7407714947.

It can be divided in two parts, 4501 and 9527, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 45019527 in words is "forty-five million, nineteen thousand, five hundred twenty-seven".