151000440 has 32 divisors (see below), whose sum is σ = 453001680. Its totient is φ = 40266752.

The previous prime is 151000357. The next prime is 151000463. The reversal of 151000440 is 44000151.

It is a super-2 number, since 2×151000440² = 45602265760387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 629049 + ... + 629288.

Almost surely, 2^151000440 is an apocalyptic number.

151000440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151000440 is an abundant number, since it is smaller than the sum of its proper divisors (302001240).

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

151000440 is a wasteful number, since it uses less digits than its factorization.

151000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258351 (or 1258347 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 151000440 is about 12288.2236307776. The cubic root of 151000440 is about 532.5079193867.

Adding to 151000440 its reverse (44000151), we get a palindrome (195000591).

The spelling of 151000440 in words is "one hundred fifty-one million, four hundred forty", and thus it is an aban number.