152235221436 has 36 divisors (see below), whose sum is σ = 384936722352. Its totient is φ = 50729261184.

The previous prime is 152235221429. The next prime is 152235221443. The reversal of 152235221436 is 634122532251.

152235221436 is a `hidden beast` number, since 152 + 2 + 3 + 52 + 21 + 436 = 666.

It is an interprime number because it is at equal distance from previous prime (152235221429) and next prime (152235221443).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 152235221436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541440 + ... + 773063.

It is an arithmetic number, because the mean of its divisors is an integer number (10692686732).

Almost surely, 2^152235221436 is an apocalyptic number.

It is an amenable number.

152235221436 is an abundant number, since it is smaller than the sum of its proper divisors (232701500916).

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

152235221436 is a wasteful number, since it uses less digits than its factorization.

152235221436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317730 (or 1317725 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 152235221436 its reverse (634122532251), we get a palindrome (786357753687).

The spelling of 152235221436 in words is "one hundred fifty-two billion, two hundred thirty-five million, two hundred twenty-one thousand, four hundred thirty-six".