145288126 has 4 divisors (see below), whose sum is σ = 217932192. Its totient is φ = 72644062.

The previous prime is 145288063. The next prime is 145288141. The reversal of 145288126 is 621882541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×145288126² = 42217279113183752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36322030 + ... + 36322033.

It is an arithmetic number, because the mean of its divisors is an integer number (54483048).

Almost surely, 2^145288126 is an apocalyptic number.

145288126 is a deficient number, since it is larger than the sum of its proper divisors (72644066).

145288126 is an equidigital number, since it uses as much as digits as its factorization.

145288126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72644065.

The product of its digits is 30720, while the sum is 37.

The square root of 145288126 is about 12053.5524224189. The cubic root of 145288126 is about 525.7065329402.

The spelling of 145288126 in words is "one hundred forty-five million, two hundred eighty-eight thousand, one hundred twenty-six".