151340644 has 48 divisors (see below), whose sum is σ = 340155648. Its totient is φ = 57264768.

The previous prime is 151340639. The next prime is 151340663. The reversal of 151340644 is 446043151.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (7086576).

Almost surely, 2^151340644 is an apocalyptic number.

151340644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151340644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170077824).

151340644 is an abundant number, since it is smaller than the sum of its proper divisors (188815004).

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

151340644 is a wasteful number, since it uses less digits than its factorization.

151340644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18124 (or 18122 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 151340644 is about 12302.0585269295. The cubic root of 151340644 is about 532.9075328847.

Adding to 151340644 its reverse (446043151), we get a palindrome (597383795).

The spelling of 151340644 in words is "one hundred fifty-one million, three hundred forty thousand, six hundred forty-four".