254642132 has 12 divisors (see below), whose sum is σ = 445756416. Its totient is φ = 127283160.

The previous prime is 254642119. The next prime is 254642149. The reversal of 254642132 is 231246452.

It is a junction number, because it is equal to n+sod(n) for n = 254642095 and 254642104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157 + ... + 24747.

It is an arithmetic number, because the mean of its divisors is an integer number (37146368).

Almost surely, 2^254642132 is an apocalyptic number.

It is an amenable number.

254642132 is a deficient number, since it is larger than the sum of its proper divisors (191114284).

254642132 is a wasteful number, since it uses less digits than its factorization.

254642132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18958 (or 18956 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 254642132 is about 15957.5102067960. The cubic root of 254642132 is about 633.8357836124.

Adding to 254642132 its reverse (231246452), we get a palindrome (485888584).

The spelling of 254642132 in words is "two hundred fifty-four million, six hundred forty-two thousand, one hundred thirty-two".