151277540 has 24 divisors (see below), whose sum is σ = 318607800. Its totient is φ = 60334848.

The previous prime is 151277521. The next prime is 151277557. The reversal of 151277540 is 45772151.

It can be written as a sum of positive squares in 4 ways, for example, as 75099556 + 76177984 = 8666^2 + 8728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151277497 and 151277506.

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, 3857 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (13275325).

Almost surely, 2^151277540 is an apocalyptic number.

151277540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151277540 is an abundant number, since it is smaller than the sum of its proper divisors (167330260).

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

151277540 is a wasteful number, since it uses less digits than its factorization.

151277540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031 (or 22029 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 151277540 is about 12299.4934855058. The cubic root of 151277540 is about 532.8334543663.

The spelling of 151277540 in words is "one hundred fifty-one million, two hundred seventy-seven thousand, five hundred forty".