154248403638 has 64 divisors (see below), whose sum is σ = 362203937280. Its totient is φ = 42867159552.

The previous prime is 154248403633. The next prime is 154248403739. The reversal of 154248403638 is 836304842451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154248403633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6030745 + ... + 6056267.

It is an arithmetic number, because the mean of its divisors is an integer number (5659436520).

Almost surely, 2^154248403638 is an apocalyptic number.

154248403638 is an abundant number, since it is smaller than the sum of its proper divisors (207955533642).

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

154248403638 is a wasteful number, since it uses less digits than its factorization.

154248403638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29461.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 154248403638 in words is "one hundred fifty-four billion, two hundred forty-eight million, four hundred three thousand, six hundred thirty-eight".