45351561 has 8 divisors (see below), whose sum is σ = 63097920. Its totient is φ = 28919792.

The previous prime is 45351557. The next prime is 45351571. The reversal of 45351561 is 16515354.

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 45351561 - 2² = 45351557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45351511) 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, 328566 + ... + 328703.

It is an arithmetic number, because the mean of its divisors is an integer number (7887240).

Almost surely, 2^45351561 is an apocalyptic number.

It is an amenable number.

45351561 is a deficient number, since it is larger than the sum of its proper divisors (17746359).

45351561 is a wasteful number, since it uses less digits than its factorization.

45351561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657295.

The product of its digits is 9000, while the sum is 30.

The square root of 45351561 is about 6734.3567621563. The cubic root of 45351561 is about 356.6131990580.

The spelling of 45351561 in words is "forty-five million, three hundred fifty-one thousand, five hundred sixty-one".