145075157 has 2 divisors, whose sum is σ = 145075158. Its totient is φ = 145075156.

The previous prime is 145075153. The next prime is 145075169. The reversal of 145075157 is 751570541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73942801 + 71132356 = 8599^2 + 8434^2 .

It is a cyclic number.

It is not a de Polignac number, because 145075157 - 2² = 145075153 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145075153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72537578 + 72537579.

It is an arithmetic number, because the mean of its divisors is an integer number (72537579).

Almost surely, 2^145075157 is an apocalyptic number.

It is an amenable number.

145075157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145075157 is an equidigital number, since it uses as much as digits as its factorization.

145075157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 145075157 is about 12044.7148990750. The cubic root of 145075157 is about 525.4495402848.

The spelling of 145075157 in words is "one hundred forty-five million, seventy-five thousand, one hundred fifty-seven".