145491179146 has 8 divisors (see below), whose sum is σ = 218797789860. Its totient is φ = 72558582528.

The previous prime is 145491179129. The next prime is 145491179201. The reversal of 145491179146 is 641971194541.

It can be written as a sum of positive squares in 2 ways, for example, as 134330313121 + 11160866025 = 366511^2 + 105645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145491179093 and 145491179102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93502551 + ... + 93504106.

Almost surely, 2^145491179146 is an apocalyptic number.

145491179146 is a deficient number, since it is larger than the sum of its proper divisors (73306610714).

145491179146 is a wasteful number, since it uses less digits than its factorization.

145491179146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187007048.

The product of its digits is 1088640, while the sum is 52.

The spelling of 145491179146 in words is "one hundred forty-five billion, four hundred ninety-one million, one hundred seventy-nine thousand, one hundred forty-six".