152316640 has 192 divisors, whose sum is σ = 438939648. Its totient is φ = 48844800.

The previous prime is 152316631. The next prime is 152316641. The reversal of 152316640 is 46613251.

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

It is a junction number, because it is equal to n+sod(n) for n = 152316599 and 152316608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152316641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1423467 + ... + 1423573.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^152316640 is an apocalyptic number.

152316640 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 152316640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219469824).

152316640 is an abundant number, since it is smaller than the sum of its proper divisors (286623008).

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

152316640 is a wasteful number, since it uses less digits than its factorization.

152316640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 152316640 is about 12341.6627729006. The cubic root of 152316640 is about 534.0506528469.

Adding to 152316640 its reverse (46613251), we get a palindrome (198929891).

The spelling of 152316640 in words is "one hundred fifty-two million, three hundred sixteen thousand, six hundred forty".