152090194 has 8 divisors (see below), whose sum is σ = 241555068. Its totient is φ = 71571840.

The previous prime is 152090189. The next prime is 152090221. The reversal of 152090194 is 491090251.

It can be written as a sum of positive squares in 2 ways, for example, as 112084569 + 40005625 = 10587^2 + 6325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×152090194² = 46262854221915272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2236587 + ... + 2236654.

Almost surely, 2^152090194 is an apocalyptic number.

152090194 is a deficient number, since it is larger than the sum of its proper divisors (89464874).

152090194 is a wasteful number, since it uses less digits than its factorization.

152090194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473260.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 152090194 is about 12332.4853131881. The cubic root of 152090194 is about 533.7858675646.

The spelling of 152090194 in words is "one hundred fifty-two million, ninety thousand, one hundred ninety-four".