154791492 has 24 divisors (see below), whose sum is σ = 368866176. Its totient is φ = 50499168.

The previous prime is 154791487. The next prime is 154791509. The reversal of 154791492 is 294197451.

154791492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136663 + ... + 137790.

It is an arithmetic number, because the mean of its divisors is an integer number (15369424).

Almost surely, 2^154791492 is an apocalyptic number.

154791492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154791492 is an abundant number, since it is smaller than the sum of its proper divisors (214074684).

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

154791492 is a wasteful number, since it uses less digits than its factorization.

154791492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274507 (or 274505 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 154791492 is about 12441.5228971376. The cubic root of 154791492 is about 536.9275587254.

It can be divided in two parts, 1547 and 91492, that added together give a palindrome (93039).

The spelling of 154791492 in words is "one hundred fifty-four million, seven hundred ninety-one thousand, four hundred ninety-two".