152520622 has 4 divisors (see below), whose sum is σ = 228780936. Its totient is φ = 76260310.

The previous prime is 152520607. The next prime is 152520629. The reversal of 152520622 is 226025251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152520629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38130154 + ... + 38130157.

It is an arithmetic number, because the mean of its divisors is an integer number (57195234).

Almost surely, 2^152520622 is an apocalyptic number.

152520622 is a deficient number, since it is larger than the sum of its proper divisors (76260314).

152520622 is an equidigital number, since it uses as much as digits as its factorization.

152520622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76260313.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 152520622 is about 12349.9239673773. The cubic root of 152520622 is about 534.2889461968.

Adding to 152520622 its reverse (226025251), we get a palindrome (378545873).

The spelling of 152520622 in words is "one hundred fifty-two million, five hundred twenty thousand, six hundred twenty-two".