145943930 has 32 divisors (see below), whose sum is σ = 292688640. Its totient is φ = 51939520.

The previous prime is 145943909. The next prime is 145943933. The reversal of 145943930 is 39349541.

It is not an unprimeable number, because it can be changed into a prime (145943933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8945 + ... + 19284.

It is an arithmetic number, because the mean of its divisors is an integer number (9146520).

Almost surely, 2^145943930 is an apocalyptic number.

145943930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145943930 is an abundant number, since it is smaller than the sum of its proper divisors (146744710).

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

145943930 is a wasteful number, since it uses less digits than its factorization.

145943930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28294.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 145943930 is about 12080.7255576807. The cubic root of 145943930 is about 526.4963268140.

The spelling of 145943930 in words is "one hundred forty-five million, nine hundred forty-three thousand, nine hundred thirty".