152121402226 has 24 divisors (see below), whose sum is σ = 250752583620. Its totient is φ = 69118033152.

The previous prime is 152121402221. The next prime is 152121402227. The reversal of 152121402226 is 622204121251.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 136068765625 + 16052636601 = 368875^2 + 126699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152121402194 and 152121402203.

It is not an unprimeable number, because it can be changed into a prime (152121402221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4520925 + ... + 4554448.

Almost surely, 2^152121402226 is an apocalyptic number.

152121402226 is a deficient number, since it is larger than the sum of its proper divisors (98631181394).

152121402226 is a wasteful number, since it uses less digits than its factorization.

152121402226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075438 (or 9075421 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 152121402226 its reverse (622204121251), we get a palindrome (774325523477).

The spelling of 152121402226 in words is "one hundred fifty-two billion, one hundred twenty-one million, four hundred two thousand, two hundred twenty-six".