45531455 has 8 divisors (see below), whose sum is σ = 54940704. Its totient is φ = 36223200.

The previous prime is 45531449. The next prime is 45531461. The reversal of 45531455 is 55413554.

It is an interprime number because it is at equal distance from previous prime (45531449) and next prime (45531461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45531455 - 2¹⁰ = 45530431 is a prime.

It is a super-2 number, since 2×45531455² = 4146226788834050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24251 + ... + 26060.

It is an arithmetic number, because the mean of its divisors is an integer number (6867588).

Almost surely, 2^45531455 is an apocalyptic number.

45531455 is a deficient number, since it is larger than the sum of its proper divisors (9409249).

45531455 is a wasteful number, since it uses less digits than its factorization.

45531455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50497.

The product of its digits is 30000, while the sum is 32.

The square root of 45531455 is about 6747.6999785112. The cubic root of 45531455 is about 357.0840974949.

The spelling of 45531455 in words is "forty-five million, five hundred thirty-one thousand, four hundred fifty-five".