145034257640 has 64 divisors (see below), whose sum is σ = 356668738560. Its totient is φ = 52839797760.

The previous prime is 145034257619. The next prime is 145034257661. The reversal of 145034257640 is 46752430541.

It is an interprime number because it is at equal distance from previous prime (145034257619) and next prime (145034257661).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419012 + ... + 3461171.

It is an arithmetic number, because the mean of its divisors is an integer number (5572949040).

Almost surely, 2^145034257640 is an apocalyptic number.

145034257640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145034257640 is an abundant number, since it is smaller than the sum of its proper divisors (211634480920).

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

145034257640 is a wasteful number, since it uses less digits than its factorization.

145034257640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880242 (or 6880238 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 145034257640 in words is "one hundred forty-five billion, thirty-four million, two hundred fifty-seven thousand, six hundred forty".