145358794 has 12 divisors (see below), whose sum is σ = 253636434. Its totient is φ = 62296584.

The previous prime is 145358767. The next prime is 145358809. The reversal of 145358794 is 497853541.

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 1238769 = 12005^2 + 1113^2 .

It is a super-2 number, since 2×145358794² = 42258357986268872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741529 + ... + 741724.

Almost surely, 2^145358794 is an apocalyptic number.

145358794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145358794 is a deficient number, since it is larger than the sum of its proper divisors (108277640).

145358794 is a wasteful number, since it uses less digits than its factorization.

145358794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483269 (or 1483262 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 145358794 is about 12056.4834840015. The cubic root of 145358794 is about 525.7917535029.

The spelling of 145358794 in words is "one hundred forty-five million, three hundred fifty-eight thousand, seven hundred ninety-four".