45151557 has 8 divisors (see below), whose sum is σ = 65675040. Its totient is φ = 27364560.

The previous prime is 45151493. The next prime is 45151573. The reversal of 45151557 is 75515154.

It is a happy number.

45151557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45151557 - 2⁶ = 45151493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1368229 = 45151557 / (4 + 5 + 1 + 5 + 1 + 5 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45150557) 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 7 ways as a sum of consecutive naturals, for example, 684082 + ... + 684147.

It is an arithmetic number, because the mean of its divisors is an integer number (8209380).

Almost surely, 2^45151557 is an apocalyptic number.

It is an amenable number.

45151557 is a deficient number, since it is larger than the sum of its proper divisors (20523483).

45151557 is a wasteful number, since it uses less digits than its factorization.

45151557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368243.

The product of its digits is 17500, while the sum is 33.

The square root of 45151557 is about 6719.4908289245. The cubic root of 45151557 is about 356.0881956506.

The spelling of 45151557 in words is "forty-five million, one hundred fifty-one thousand, five hundred fifty-seven".