145298943 has 6 divisors (see below), whose sum is σ = 209876264. Its totient is φ = 96865956.

The previous prime is 145298939. The next prime is 145298971. The reversal of 145298943 is 349892541.

145298943 is a `hidden beast` number, since 1 + 4 + 529 + 89 + 43 = 666.

It is not a de Polignac number, because 145298943 - 2² = 145298939 is a prime.

It is a super-2 number, since 2×145298943² = 42223565673834498, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145298743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8072155 + ... + 8072172.

Almost surely, 2^145298943 is an apocalyptic number.

145298943 is a deficient number, since it is larger than the sum of its proper divisors (64577321).

145298943 is a wasteful number, since it uses less digits than its factorization.

145298943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144333 (or 16144330 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 145298943 is about 12054.0011199601. The cubic root of 145298943 is about 525.7195792609.

The spelling of 145298943 in words is "one hundred forty-five million, two hundred ninety-eight thousand, nine hundred forty-three".