145398476 has 6 divisors (see below), whose sum is σ = 254447340. Its totient is φ = 72699236.

The previous prime is 145398443. The next prime is 145398481. The reversal of 145398476 is 674893541.

It is a super-2 number, since 2×145398476² = 42281433646245152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145398476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18174806 + ... + 18174813.

It is an arithmetic number, because the mean of its divisors is an integer number (42407890).

Almost surely, 2^145398476 is an apocalyptic number.

It is an amenable number.

145398476 is a deficient number, since it is larger than the sum of its proper divisors (109048864).

145398476 is a wasteful number, since it uses less digits than its factorization.

145398476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36349623 (or 36349621 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 145398476 is about 12058.1290422685. The cubic root of 145398476 is about 525.8395950529.

The spelling of 145398476 in words is "one hundred forty-five million, three hundred ninety-eight thousand, four hundred seventy-six".