18761045 has 8 divisors (see below), whose sum is σ = 23239680. Its totient is φ = 14524560.

The previous prime is 18761027. The next prime is 18761063. The reversal of 18761045 is 54016781.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18761027) and next prime (18761063).

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

It is not a de Polignac number, because 18761045 - 2⁸ = 18760789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60365 + ... + 60674.

It is an arithmetic number, because the mean of its divisors is an integer number (2904960).

Almost surely, 2^18761045 is an apocalyptic number.

It is an amenable number.

18761045 is a deficient number, since it is larger than the sum of its proper divisors (4478635).

18761045 is a wasteful number, since it uses less digits than its factorization.

18761045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121075.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 18761045 is about 4331.4021979031. The cubic root of 18761045 is about 265.7167967846.

The spelling of 18761045 in words is "eighteen million, seven hundred sixty-one thousand, forty-five".