145970751 has 8 divisors (see below), whose sum is σ = 194758144. Its totient is φ = 97248600.

The previous prime is 145970707. The next prime is 145970777. The reversal of 145970751 is 157079541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145970751 - 2¹⁰ = 145969727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145970051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10825 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (24344768).

Almost surely, 2^145970751 is an apocalyptic number.

145970751 is a deficient number, since it is larger than the sum of its proper divisors (48787393).

145970751 is a wasteful number, since it uses less digits than its factorization.

145970751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32621.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 145970751 is about 12081.8355807385. The cubic root of 145970751 is about 526.5285773114.

The spelling of 145970751 in words is "one hundred forty-five million, nine hundred seventy thousand, seven hundred fifty-one".