152052290 has 16 divisors (see below), whose sum is σ = 294747768. Its totient is φ = 56142336.

The previous prime is 152052289. The next prime is 152052293. The reversal of 152052290 is 92250251.

It can be written as a sum of positive squares in 4 ways, for example, as 129117769 + 22934521 = 11363^2 + 4789^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (152052293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584687 + ... + 584946.

Almost surely, 2^152052290 is an apocalyptic number.

152052290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152052290 is a deficient number, since it is larger than the sum of its proper divisors (142695478).

152052290 is a wasteful number, since it uses less digits than its factorization.

152052290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169653.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 152052290 is about 12330.9484631151. The cubic root of 152052290 is about 533.7415204133.

The spelling of 152052290 in words is "one hundred fifty-two million, fifty-two thousand, two hundred ninety".