190554242 has 18 divisors (see below), whose sum is σ = 293928003. Its totient is φ = 92651412.

The previous prime is 190554233. The next prime is 190554257. The reversal of 190554242 is 242455091.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 95277121 = 9761^2 + 9761^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9761.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190554199 and 190554208.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 839333 + ... + 839559.

Almost surely, 2^190554242 is an apocalyptic number.

190554242 is a deficient number, since it is larger than the sum of its proper divisors (103373761).

190554242 is an frugal number, since it uses more digits than its factorization.

190554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 190554242 is about 13804.1385823238. The cubic root of 190554242 is about 575.4481617598.

Multiplying 190554242 by its sum of digits (32), we get a square (6097735744 = 78088²).

The spelling of 190554242 in words is "one hundred ninety million, five hundred fifty-four thousand, two hundred forty-two".