190748546 has 4 divisors (see below), whose sum is σ = 286122822. Its totient is φ = 95374272.

The previous prime is 190748533. The next prime is 190748557. The reversal of 190748546 is 645847091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645847091 = 20341 ⋅31751.

It can be written as a sum of positive squares in only one way, i.e., 138980521 + 51768025 = 11789^2 + 7195^2 .

It is a super-2 number, since 2×190748546² = 72770015602228232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190748497 and 190748506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47687135 + ... + 47687138.

Almost surely, 2^190748546 is an apocalyptic number.

190748546 is a deficient number, since it is larger than the sum of its proper divisors (95374276).

190748546 is an equidigital number, since it uses as much as digits as its factorization.

190748546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95374275.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 190748546 is about 13811.1746784986. The cubic root of 190748546 is about 575.6436859597.

The spelling of 190748546 in words is "one hundred ninety million, seven hundred forty-eight thousand, five hundred forty-six".