145377013 has 8 divisors (see below), whose sum is σ = 154070208. Its totient is φ = 136699584.

The previous prime is 145376989. The next prime is 145377031. The reversal of 145377013 is 310773541.

145377013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-145377013 is a prime.

It is a super-2 number, since 2×145377013² = 42268951817604338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145377053) 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, 18870 + ... + 25432.

It is an arithmetic number, because the mean of its divisors is an integer number (19258776).

Almost surely, 2^145377013 is an apocalyptic number.

It is an amenable number.

145377013 is a deficient number, since it is larger than the sum of its proper divisors (8693195).

145377013 is a wasteful number, since it uses less digits than its factorization.

145377013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 145377013 is about 12057.2390288988. The cubic root of 145377013 is about 525.8137198376.

The spelling of 145377013 in words is "one hundred forty-five million, three hundred seventy-seven thousand, thirteen".