154947892 has 12 divisors (see below), whose sum is σ = 295809696. Its totient is φ = 70430840.

The previous prime is 154947839. The next prime is 154947893. The reversal of 154947892 is 298749451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154947893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760728 + ... + 1760815.

It is an arithmetic number, because the mean of its divisors is an integer number (24650808).

Almost surely, 2^154947892 is an apocalyptic number.

It is an amenable number.

154947892 is a deficient number, since it is larger than the sum of its proper divisors (140861804).

154947892 is a wasteful number, since it uses less digits than its factorization.

154947892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521558 (or 3521556 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 154947892 is about 12447.8067144377. The cubic root of 154947892 is about 537.1083335261.

The spelling of 154947892 in words is "one hundred fifty-four million, nine hundred forty-seven thousand, eight hundred ninety-two".