45970987 has 4 divisors (see below), whose sum is σ = 45993376. Its totient is φ = 45948600.

The previous prime is 45970979. The next prime is 45970993. The reversal of 45970987 is 78907954.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78907954 = 2 ⋅39453977.

It is a cyclic number.

It is not a de Polignac number, because 45970987 - 2³ = 45970979 is a prime.

It is a super-2 number, since 2×45970987² = 4226663291508338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45970987.

It is not an unprimeable number, because it can be changed into a prime (45970957) 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, 7764 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (11498344).

Almost surely, 2^45970987 is an apocalyptic number.

45970987 is a deficient number, since it is larger than the sum of its proper divisors (22389).

45970987 is a wasteful number, since it uses less digits than its factorization.

45970987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 45970987 is about 6780.1907790268. The cubic root of 45970987 is about 358.2294415719.

The spelling of 45970987 in words is "forty-five million, nine hundred seventy thousand, nine hundred eighty-seven".