151440492 has 48 divisors (see below), whose sum is σ = 410699520. Its totient is φ = 42533952.

The previous prime is 151440449. The next prime is 151440493. The reversal of 151440492 is 294044151.

It is not an unprimeable number, because it can be changed into a prime (151440493) 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, 10323 + ... + 20234.

It is an arithmetic number, because the mean of its divisors is an integer number (8556240).

Almost surely, 2^151440492 is an apocalyptic number.

151440492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151440492 is an abundant number, since it is smaller than the sum of its proper divisors (259259028).

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

151440492 is a wasteful number, since it uses less digits than its factorization.

151440492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30630 (or 30628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 151440492 is about 12306.1160404085. The cubic root of 151440492 is about 533.0247035544.

The spelling of 151440492 in words is "one hundred fifty-one million, four hundred forty thousand, four hundred ninety-two".