45187342 has 4 divisors (see below), whose sum is σ = 67781016. Its totient is φ = 22593670.

The previous prime is 45187327. The next prime is 45187357. The reversal of 45187342 is 24378154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45187327) and next prime (45187357).

It is a junction number, because it is equal to n+sod(n) for n = 45187298 and 45187307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11296834 + ... + 11296837.

It is an arithmetic number, because the mean of its divisors is an integer number (16945254).

Almost surely, 2^45187342 is an apocalyptic number.

45187342 is a deficient number, since it is larger than the sum of its proper divisors (22593674).

45187342 is a wasteful number, since it uses less digits than its factorization.

45187342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593673.

The product of its digits is 26880, while the sum is 34.

The square root of 45187342 is about 6722.1530776977. The cubic root of 45187342 is about 356.1822437263.

The spelling of 45187342 in words is "forty-five million, one hundred eighty-seven thousand, three hundred forty-two".