145371788 has 12 divisors (see below), whose sum is σ = 256652760. Its totient is φ = 72042432.

The previous prime is 145371781. The next prime is 145371791. The reversal of 145371788 is 887173541.

It is a super-2 number, since 2×145371788² = 42265913492633888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145371781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160358 + ... + 161261.

It is an arithmetic number, because the mean of its divisors is an integer number (21387730).

Almost surely, 2^145371788 is an apocalyptic number.

It is an amenable number.

145371788 is a deficient number, since it is larger than the sum of its proper divisors (111280972).

145371788 is a wasteful number, since it uses less digits than its factorization.

145371788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321736 (or 321734 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 145371788 is about 12057.0223521399. The cubic root of 145371788 is about 525.8074203328.

The spelling of 145371788 in words is "one hundred forty-five million, three hundred seventy-one thousand, seven hundred eighty-eight".