149190046 has 4 divisors (see below), whose sum is σ = 223785072. Its totient is φ = 74595022.

The previous prime is 149190043. The next prime is 149190047. The reversal of 149190046 is 640091941.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 149189993 and 149190020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149190043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37297510 + ... + 37297513.

It is an arithmetic number, because the mean of its divisors is an integer number (55946268).

Almost surely, 2^149190046 is an apocalyptic number.

149190046 is a deficient number, since it is larger than the sum of its proper divisors (74595026).

149190046 is an equidigital number, since it uses as much as digits as its factorization.

149190046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74595025.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 149190046 is about 12214.3377225292. The cubic root of 149190046 is about 530.3712196990.

The spelling of 149190046 in words is "one hundred forty-nine million, one hundred ninety thousand, forty-six".