145300994 has 4 divisors (see below), whose sum is σ = 217951494. Its totient is φ = 72650496.

The previous prime is 145300949. The next prime is 145300997. The reversal of 145300994 is 499003541.

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

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 41770369 = 10175^2 + 6463^2 .

It is a super-2 number, since 2×145300994² = 42224757714776072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145300997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325247 + ... + 36325250.

Almost surely, 2^145300994 is an apocalyptic number.

145300994 is a deficient number, since it is larger than the sum of its proper divisors (72650500).

145300994 is an equidigital number, since it uses as much as digits as its factorization.

145300994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72650499.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 145300994 is about 12054.0861951456. The cubic root of 145300994 is about 525.7220528870.

The spelling of 145300994 in words is "one hundred forty-five million, three hundred thousand, nine hundred ninety-four".