145700277 has 16 divisors (see below), whose sum is σ = 199146432. Its totient is φ = 94723200.

The previous prime is 145700273. The next prime is 145700309. The reversal of 145700277 is 772007541.

It is a happy number.

It is not a de Polignac number, because 145700277 - 2² = 145700273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145700273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16713 + ... + 23889.

It is an arithmetic number, because the mean of its divisors is an integer number (12446652).

Almost surely, 2^145700277 is an apocalyptic number.

It is an amenable number.

145700277 is a deficient number, since it is larger than the sum of its proper divisors (53446155).

145700277 is a wasteful number, since it uses less digits than its factorization.

145700277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 145700277 is about 12070.6369757358. The cubic root of 145700277 is about 526.2031688757.

The spelling of 145700277 in words is "one hundred forty-five million, seven hundred thousand, two hundred seventy-seven".