45141551 has 16 divisors (see below), whose sum is σ = 55845888. Its totient is φ = 35532000.

The previous prime is 45141541. The next prime is 45141557. The reversal of 45141551 is 15514154.

It is a de Polignac number, because none of the positive numbers 2^k-45141551 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45141551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45141557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18026 + ... + 20376.

It is an arithmetic number, because the mean of its divisors is an integer number (3490368).

Almost surely, 2^45141551 is an apocalyptic number.

45141551 is the 5486-th pentagonal number.

45141551 is a deficient number, since it is larger than the sum of its proper divisors (10704337).

45141551 is a wasteful number, since it uses less digits than its factorization.

45141551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its digits is 2000, while the sum is 26.

The square root of 45141551 is about 6718.7462372082. The cubic root of 45141551 is about 356.0618895683.

The spelling of 45141551 in words is "forty-five million, one hundred forty-one thousand, five hundred fifty-one".