152201990 has 24 divisors (see below), whose sum is σ = 278423568. Its totient is φ = 59893680.

The previous prime is 152201977. The next prime is 152202019. The reversal of 152201990 is 99102251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328499 + ... + 328961.

It is an arithmetic number, because the mean of its divisors is an integer number (11600982).

Almost surely, 2^152201990 is an apocalyptic number.

152201990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152201990 is a deficient number, since it is larger than the sum of its proper divisors (126221578).

152201990 is an frugal number, since it uses more digits than its factorization.

152201990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 152201990 is about 12337.0170624831. The cubic root of 152201990 is about 533.9166244258.

The spelling of 152201990 in words is "one hundred fifty-two million, two hundred one thousand, nine hundred ninety".