190090151 has 4 divisors (see below), whose sum is σ = 191189112. Its totient is φ = 188991192.

The previous prime is 190090097. The next prime is 190090211. The reversal of 190090151 is 151090091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151090091 = 59 ⋅2560849.

It is a cyclic number.

It is not a de Polignac number, because 190090151 - 2¹⁰ = 190089127 is a prime.

It is a super-2 number, since 2×190090151² = 72268531014405602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190090151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190090051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549221 + ... + 549566.

It is an arithmetic number, because the mean of its divisors is an integer number (47797278).

Almost surely, 2^190090151 is an apocalyptic number.

190090151 is a deficient number, since it is larger than the sum of its proper divisors (1098961).

190090151 is a wasteful number, since it uses less digits than its factorization.

190090151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098960.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 190090151 is about 13787.3184847526. The cubic root of 190090151 is about 574.9806178722.

The spelling of 190090151 in words is "one hundred ninety million, ninety thousand, one hundred fifty-one".