152163440 has 160 divisors (see below), whose sum is σ = 425972736. Its totient is φ = 49812480.

The previous prime is 152163433. The next prime is 152163461. The reversal of 152163440 is 44361251.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537539 + ... + 537821.

Almost surely, 2^152163440 is an apocalyptic number.

152163440 is a gapful number since it is divisible by the number (10) 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 152163440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212986368).

152163440 is an abundant number, since it is smaller than the sum of its proper divisors (273809296).

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

152163440 is a wasteful number, since it uses less digits than its factorization.

152163440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 152163440 is about 12335.4545923529. The cubic root of 152163440 is about 533.8715434913.

The spelling of 152163440 in words is "one hundred fifty-two million, one hundred sixty-three thousand, four hundred forty".