190451955 has 16 divisors (see below), whose sum is σ = 306259200. Its totient is φ = 101062368.

The previous prime is 190451939. The next prime is 190451957. The reversal of 190451955 is 559154091.

190451955 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 190451955 - 2⁴ = 190451939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190451957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28917 + ... + 34886.

It is an arithmetic number, because the mean of its divisors is an integer number (19141200).

Almost surely, 2^190451955 is an apocalyptic number.

190451955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190451955 is a deficient number, since it is larger than the sum of its proper divisors (115807245).

190451955 is a wasteful number, since it uses less digits than its factorization.

190451955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64010.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 190451955 is about 13800.4331453763. The cubic root of 190451955 is about 575.3451790071.

The spelling of 190451955 in words is "one hundred ninety million, four hundred fifty-one thousand, nine hundred fifty-five".