151133540 has 24 divisors (see below), whose sum is σ = 317611392. Its totient is φ = 60409440.

The previous prime is 151133537. The next prime is 151133561. The reversal of 151133540 is 45331151.

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, 53237 + ... + 56003.

It is an arithmetic number, because the mean of its divisors is an integer number (13233808).

Almost surely, 2^151133540 is an apocalyptic number.

151133540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151133540 is an abundant number, since it is smaller than the sum of its proper divisors (166477852).

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

151133540 is a wasteful number, since it uses less digits than its factorization.

151133540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 151133540 is about 12293.6381921708. The cubic root of 151133540 is about 532.6643339185.

Adding to 151133540 its reverse (45331151), we get a palindrome (196464691).

The spelling of 151133540 in words is "one hundred fifty-one million, one hundred thirty-three thousand, five hundred forty".