145642151 has 2 divisors, whose sum is σ = 145642152. Its totient is φ = 145642150.

The previous prime is 145642139. The next prime is 145642171. The reversal of 145642151 is 151246541.

145642151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145642151 - 2¹⁰ = 145641127 is a prime.

It is a super-2 number, since 2×145642151² = 42423272295813602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145642171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72821075 + 72821076.

It is an arithmetic number, because the mean of its divisors is an integer number (72821076).

Almost surely, 2^145642151 is an apocalyptic number.

145642151 is a deficient number, since it is larger than the sum of its proper divisors (1).

145642151 is an equidigital number, since it uses as much as digits as its factorization.

145642151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 145642151 is about 12068.2289918612. The cubic root of 145642151 is about 526.1331846719.

Adding to 145642151 its reverse (151246541), we get a palindrome (296888692).

The spelling of 145642151 in words is "one hundred forty-five million, six hundred forty-two thousand, one hundred fifty-one".