152181422 has 16 divisors (see below), whose sum is σ = 235261152. Its totient is φ = 73783680.

The previous prime is 152181401. The next prime is 152181479. The reversal of 152181422 is 224181251.

It is a junction number, because it is equal to n+sod(n) for n = 152181391 and 152181400.

It is a congruent number.

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, 8138 + ... + 19250.

It is an arithmetic number, because the mean of its divisors is an integer number (14703822).

Almost surely, 2^152181422 is an apocalyptic number.

152181422 is a deficient number, since it is larger than the sum of its proper divisors (83079730).

152181422 is a wasteful number, since it uses less digits than its factorization.

152181422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323.

The product of its digits is 1280, while the sum is 26.

The square root of 152181422 is about 12336.1834454583. The cubic root of 152181422 is about 533.8925728528.

The spelling of 152181422 in words is "one hundred fifty-two million, one hundred eighty-one thousand, four hundred twenty-two".