145214332157 has 2 divisors, whose sum is σ = 145214332158. Its totient is φ = 145214332156.

The previous prime is 145214332091. The next prime is 145214332181. The reversal of 145214332157 is 751233412541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131010698116 + 14203634041 = 361954^2 + 119179^2 .

It is a cyclic number.

It is not a de Polignac number, because 145214332157 - 2²⁶ = 145147223293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145214332157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145214332957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72607166078 + 72607166079.

It is an arithmetic number, because the mean of its divisors is an integer number (72607166079).

Almost surely, 2^145214332157 is an apocalyptic number.

It is an amenable number.

145214332157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145214332157 is an equidigital number, since it uses as much as digits as its factorization.

145214332157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

Adding to 145214332157 its reverse (751233412541), we get a palindrome (896447744698).

The spelling of 145214332157 in words is "one hundred forty-five billion, two hundred fourteen million, three hundred thirty-two thousand, one hundred fifty-seven".