145877390 has 8 divisors (see below), whose sum is σ = 262579320. Its totient is φ = 58350952.

The previous prime is 145877387. The next prime is 145877401. The reversal of 145877390 is 93778541.

145877390 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7293860 + ... + 7293879.

It is an arithmetic number, because the mean of its divisors is an integer number (32822415).

Almost surely, 2^145877390 is an apocalyptic number.

145877390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145877390 is a deficient number, since it is larger than the sum of its proper divisors (116701930).

145877390 is a wasteful number, since it uses less digits than its factorization.

145877390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587746.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 145877390 is about 12077.9712700437. The cubic root of 145877390 is about 526.4162997535.

The spelling of 145877390 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, three hundred ninety".