45149503 has 8 divisors (see below), whose sum is σ = 51802272. Its totient is φ = 38547456.

The previous prime is 45149479. The next prime is 45149513. The reversal of 45149503 is 30594154.

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

It is a cyclic number.

It is not a de Polignac number, because 45149503 - 2⁵ = 45149471 is a prime.

It is a super-2 number, since 2×45149503² = 4076955242294018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10750 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (6475284).

Almost surely, 2^45149503 is an apocalyptic number.

45149503 is a deficient number, since it is larger than the sum of its proper divisors (6652769).

45149503 is a wasteful number, since it uses less digits than its factorization.

45149503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25361.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45149503 is about 6719.3379882247. The cubic root of 45149503 is about 356.0827959383.

The spelling of 45149503 in words is "forty-five million, one hundred forty-nine thousand, five hundred three".