154369856742 has 32 divisors (see below), whose sum is σ = 310862953440. Its totient is φ = 51103883520.

The previous prime is 154369856731. The next prime is 154369856747. The reversal of 154369856742 is 247658963451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154369856747) 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, 401892 + ... + 685752.

It is an arithmetic number, because the mean of its divisors is an integer number (9714467295).

Almost surely, 2^154369856742 is an apocalyptic number.

154369856742 is an abundant number, since it is smaller than the sum of its proper divisors (156493096698).

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

154369856742 is a wasteful number, since it uses less digits than its factorization.

154369856742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284488.

The product of its digits is 43545600, while the sum is 60.

The spelling of 154369856742 in words is "one hundred fifty-four billion, three hundred sixty-nine million, eight hundred fifty-six thousand, seven hundred forty-two".