190457457 has 12 divisors (see below), whose sum is σ = 265466544. Its totient is φ = 121450120.

The previous prime is 190457447. The next prime is 190457473. The reversal of 190457457 is 754754091.

It is a happy number.

190457457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190457457 - 2¹⁰ = 190456433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190457447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58419 + ... + 61592.

It is an arithmetic number, because the mean of its divisors is an integer number (22122212).

Almost surely, 2^190457457 is an apocalyptic number.

It is an amenable number.

190457457 is a deficient number, since it is larger than the sum of its proper divisors (75009087).

190457457 is a wasteful number, since it uses less digits than its factorization.

190457457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120060 (or 120037 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 190457457 is about 13800.6324855059. The cubic root of 190457457 is about 575.3507193697.

The spelling of 190457457 in words is "one hundred ninety million, four hundred fifty-seven thousand, four hundred fifty-seven".