145013880 has 64 divisors (see below), whose sum is σ = 474595200. Its totient is φ = 35154560.

The previous prime is 145013863. The next prime is 145013899. The reversal of 145013880 is 88310541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 53610 + ... + 56249.

It is an arithmetic number, because the mean of its divisors is an integer number (7415550).

Almost surely, 2^145013880 is an apocalyptic number.

145013880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145013880 is an abundant number, since it is smaller than the sum of its proper divisors (329581320).

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

145013880 is a wasteful number, since it uses less digits than its factorization.

145013880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109884 (or 109880 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 145013880 is about 12042.1709006308. The cubic root of 145013880 is about 525.3755498868.

It can be divided in two parts, 14501 and 3880, that added together give a palindrome (18381).

The spelling of 145013880 in words is "one hundred forty-five million, thirteen thousand, eight hundred eighty".