152622240 has 48 divisors (see below), whose sum is σ = 480761568. Its totient is φ = 40699136.

The previous prime is 152622221. The next prime is 152622263. The reversal of 152622240 is 42226251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 152622240.

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, 158502 + ... + 159461.

It is an arithmetic number, because the mean of its divisors is an integer number (10015866).

Almost surely, 2^152622240 is an apocalyptic number.

152622240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152622240 is an abundant number, since it is smaller than the sum of its proper divisors (328139328).

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

152622240 is a wasteful number, since it uses less digits than its factorization.

152622240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317981 (or 317973 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 152622240 is about 12354.0373967380. The cubic root of 152622240 is about 534.4075778504.

Adding to 152622240 its reverse (42226251), we get a palindrome (194848491).

The spelling of 152622240 in words is "one hundred fifty-two million, six hundred twenty-two thousand, two hundred forty".