45051554 has 8 divisors (see below), whose sum is σ = 67662108. Its totient is φ = 22497520.

The previous prime is 45051551. The next prime is 45051571. The reversal of 45051554 is 45515054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44582329 + 469225 = 6677^2 + 685^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45051551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12077 + ... + 15360.

Almost surely, 2^45051554 is an apocalyptic number.

45051554 is a deficient number, since it is larger than the sum of its proper divisors (22610554).

45051554 is a wasteful number, since it uses less digits than its factorization.

45051554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28260.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 45051554 is about 6712.0454408474. The cubic root of 45051554 is about 355.8251097790.

The spelling of 45051554 in words is "forty-five million, fifty-one thousand, five hundred fifty-four".