45381191742 has 12 divisors (see below), whose sum is σ = 98325915480. Its totient is φ = 15127063908.

The previous prime is 45381191717. The next prime is 45381191761. The reversal of 45381191742 is 24719118354.

45381191742 is a `hidden beast` number, since 45 + 381 + 191 + 7 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1260588642 + ... + 1260588677.

It is an arithmetic number, because the mean of its divisors is an integer number (8193826290).

Almost surely, 2^45381191742 is an apocalyptic number.

45381191742 is an abundant number, since it is smaller than the sum of its proper divisors (52944723738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45381191742 is a wasteful number, since it uses less digits than its factorization.

45381191742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521177327 (or 2521177324 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The spelling of 45381191742 in words is "forty-five billion, three hundred eighty-one million, one hundred ninety-one thousand, seven hundred forty-two".