145893470 has 16 divisors (see below), whose sum is σ = 262748880. Its totient is φ = 58326144.

The previous prime is 145893469. The next prime is 145893481. The reversal of 145893470 is 74398541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28529 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (16421805).

Almost surely, 2^145893470 is an apocalyptic number.

145893470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145893470 is a deficient number, since it is larger than the sum of its proper divisors (116855410).

145893470 is a wasteful number, since it uses less digits than its factorization.

145893470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 145893470 is about 12078.6369264085. The cubic root of 145893470 is about 526.4356412546.

The spelling of 145893470 in words is "one hundred forty-five million, eight hundred ninety-three thousand, four hundred seventy".