152621422 has 8 divisors (see below), whose sum is σ = 238885776. Its totient is φ = 72992832.

The previous prime is 152621389. The next prime is 152621429. The reversal of 152621422 is 224126251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152621429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658883 + ... + 1658974.

It is an arithmetic number, because the mean of its divisors is an integer number (29860722).

Almost surely, 2^152621422 is an apocalyptic number.

152621422 is a deficient number, since it is larger than the sum of its proper divisors (86264354).

152621422 is a wasteful number, since it uses less digits than its factorization.

152621422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317882.

The product of its digits is 1920, while the sum is 25.

The square root of 152621422 is about 12354.0042901077. The cubic root of 152621422 is about 534.4066231049.

Adding to 152621422 its reverse (224126251), we get a palindrome (376747673).

The spelling of 152621422 in words is "one hundred fifty-two million, six hundred twenty-one thousand, four hundred twenty-two".