145077290 has 16 divisors (see below), whose sum is σ = 261305568. Its totient is φ = 57993936.

The previous prime is 145077287. The next prime is 145077299. The reversal of 145077290 is 92770541.

It is a self number, because there is not a number n which added to its sum of digits gives 145077290.

It is not an unprimeable number, because it can be changed into a prime (145077299) 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, 16409 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (16331598).

Almost surely, 2^145077290 is an apocalyptic number.

145077290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145077290 is a deficient number, since it is larger than the sum of its proper divisors (116228278).

145077290 is a wasteful number, since it uses less digits than its factorization.

145077290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 145077290 is about 12044.8034438093. The cubic root of 145077290 is about 525.4521154520.

The spelling of 145077290 in words is "one hundred forty-five million, seventy-seven thousand, two hundred ninety".