45548157 has 8 divisors (see below), whose sum is σ = 61288480. Its totient is φ = 30086640.

The previous prime is 45548077. The next prime is 45548197. The reversal of 45548157 is 75184554.

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

It is not a de Polignac number, because 45548157 - 2¹⁰ = 45547133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45548197) 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, 69319 + ... + 69972.

It is an arithmetic number, because the mean of its divisors is an integer number (7661060).

Almost surely, 2^45548157 is an apocalyptic number.

It is an amenable number.

45548157 is a deficient number, since it is larger than the sum of its proper divisors (15740323).

45548157 is a wasteful number, since it uses less digits than its factorization.

45548157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139403.

The product of its digits is 112000, while the sum is 39.

The square root of 45548157 is about 6748.9374719285. The cubic root of 45548157 is about 357.1277544166.

The spelling of 45548157 in words is "forty-five million, five hundred forty-eight thousand, one hundred fifty-seven".