145495830 has 16 divisors (see below), whose sum is σ = 349190064. Its totient is φ = 38798880.

The previous prime is 145495811. The next prime is 145495841. The reversal of 145495830 is 38594541.

145495830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2424901 + ... + 2424960.

It is an arithmetic number, because the mean of its divisors is an integer number (21824379).

Almost surely, 2^145495830 is an apocalyptic number.

145495830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145495830 is an abundant number, since it is smaller than the sum of its proper divisors (203694234).

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

145495830 is a wasteful number, since it uses less digits than its factorization.

145495830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849871.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 145495830 is about 12062.1652285152. The cubic root of 145495830 is about 525.9569304565.

The spelling of 145495830 in words is "one hundred forty-five million, four hundred ninety-five thousand, eight hundred thirty".