151222040 has 32 divisors (see below), whose sum is σ = 340692480. Its totient is φ = 60410112.

The previous prime is 151222039. The next prime is 151222051. The reversal of 151222040 is 40222151.

It is a congruent number.

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, 36137 + ... + 40103.

It is an arithmetic number, because the mean of its divisors is an integer number (10646640).

Almost surely, 2^151222040 is an apocalyptic number.

151222040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151222040 is an abundant number, since it is smaller than the sum of its proper divisors (189470440).

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

151222040 is a wasteful number, since it uses less digits than its factorization.

151222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 151222040 is about 12297.2370880617. The cubic root of 151222040 is about 532.7682852432.

Adding to 151222040 its reverse (40222151), we get a palindrome (191444191).

The spelling of 151222040 in words is "one hundred fifty-one million, two hundred twenty-two thousand, forty".