19145950 has 12 divisors (see below), whose sum is σ = 35611560. Its totient is φ = 7658360.

The previous prime is 19145933. The next prime is 19145953. The reversal of 19145950 is 5954191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19145953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191410 + ... + 191509.

It is an arithmetic number, because the mean of its divisors is an integer number (2967630).

Almost surely, 2^19145950 is an apocalyptic number.

19145950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19145950 is a deficient number, since it is larger than the sum of its proper divisors (16465610).

19145950 is a wasteful number, since it uses less digits than its factorization.

19145950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382931 (or 382926 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 19145950 is about 4375.6085291077. The cubic root of 19145950 is about 267.5216740816.

The spelling of 19145950 in words is "nineteen million, one hundred forty-five thousand, nine hundred fifty".