145706394450 has 24 divisors (see below), whose sum is σ = 361351858608. Its totient is φ = 38855038480.

The previous prime is 145706394439. The next prime is 145706394473. The reversal of 145706394450 is 54493607541.

It is a self number, because there is not a number n which added to its sum of digits gives 145706394450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485687832 + ... + 485688131.

It is an arithmetic number, because the mean of its divisors is an integer number (15056327442).

Almost surely, 2^145706394450 is an apocalyptic number.

145706394450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145706394450 is an abundant number, since it is smaller than the sum of its proper divisors (215645464158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145706394450 is a wasteful number, since it uses less digits than its factorization.

145706394450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971375978 (or 971375973 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 145706394450 in words is "one hundred forty-five billion, seven hundred six million, three hundred ninety-four thousand, four hundred fifty".