145341290 has 32 divisors (see below), whose sum is σ = 269058240. Its totient is φ = 56496384.

The previous prime is 145341289. The next prime is 145341307. The reversal of 145341290 is 92143541.

It is a super-2 number, since 2×145341290² = 42248181157728200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96866 + ... + 98354.

It is an arithmetic number, because the mean of its divisors is an integer number (8408070).

Almost surely, 2^145341290 is an apocalyptic number.

145341290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145341290 is a deficient number, since it is larger than the sum of its proper divisors (123716950).

145341290 is a wasteful number, since it uses less digits than its factorization.

145341290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 145341290 is about 12055.7575456709. The cubic root of 145341290 is about 525.7706475025.

The spelling of 145341290 in words is "one hundred forty-five million, three hundred forty-one thousand, two hundred ninety".