145214450194 has 48 divisors (see below), whose sum is σ = 253288498176. Its totient is φ = 61911008000.

The previous prime is 145214450179. The next prime is 145214450203. The reversal of 145214450194 is 491054412541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1823919 + ... + 1901869.

It is an arithmetic number, because the mean of its divisors is an integer number (5276843712).

Almost surely, 2^145214450194 is an apocalyptic number.

145214450194 is a deficient number, since it is larger than the sum of its proper divisors (108074047982).

145214450194 is a wasteful number, since it uses less digits than its factorization.

145214450194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78291 (or 78274 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 145214450194 in words is "one hundred forty-five billion, two hundred fourteen million, four hundred fifty thousand, one hundred ninety-four".