145984934 has 4 divisors (see below), whose sum is σ = 218977404. Its totient is φ = 72992466.

The previous prime is 145984931. The next prime is 145984973. The reversal of 145984934 is 439489541.

145984934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×145984934³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145984931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36496232 + ... + 36496235.

It is an arithmetic number, because the mean of its divisors is an integer number (54744351).

Almost surely, 2^145984934 is an apocalyptic number.

145984934 is a deficient number, since it is larger than the sum of its proper divisors (72992470).

145984934 is an equidigital number, since it uses as much as digits as its factorization.

145984934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72992469.

The product of its digits is 622080, while the sum is 47.

The square root of 145984934 is about 12082.4225219945. The cubic root of 145984934 is about 526.5456298440.

The spelling of 145984934 in words is "one hundred forty-five million, nine hundred eighty-four thousand, nine hundred thirty-four".