145799910 has 48 divisors (see below), whose sum is σ = 380371680. Its totient is φ = 38747520.

The previous prime is 145799867. The next prime is 145799933. The reversal of 145799910 is 19997541.

145799910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145799910² = 42515227512016200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 25386 + ... + 30594.

It is an arithmetic number, because the mean of its divisors is an integer number (7924410).

Almost surely, 2^145799910 is an apocalyptic number.

145799910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145799910 is an abundant number, since it is smaller than the sum of its proper divisors (234571770).

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

145799910 is a wasteful number, since it uses less digits than its factorization.

145799910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 145799910 is about 12074.7633517183. The cubic root of 145799910 is about 526.3230845813.

The spelling of 145799910 in words is "one hundred forty-five million, seven hundred ninety-nine thousand, nine hundred ten".