145734340 has 24 divisors (see below), whose sum is σ = 306333720. Its totient is φ = 58238208.

The previous prime is 145734331. The next prime is 145734341. The reversal of 145734340 is 43437541.

It can be written as a sum of positive squares in 4 ways, for example, as 52070656 + 93663684 = 7216^2 + 9678^2 .

It is not an unprimeable number, because it can be changed into a prime (145734341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22954 + ... + 28606.

It is an arithmetic number, because the mean of its divisors is an integer number (12763905).

Almost surely, 2^145734340 is an apocalyptic number.

145734340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145734340 is an abundant number, since it is smaller than the sum of its proper divisors (160599380).

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

145734340 is a wasteful number, since it uses less digits than its factorization.

145734340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 145734340 is about 12072.0478792954. The cubic root of 145734340 is about 526.2441723711.

The spelling of 145734340 in words is "one hundred forty-five million, seven hundred thirty-four thousand, three hundred forty".