145240151 has 4 divisors (see below), whose sum is σ = 165988752. Its totient is φ = 124491552.

The previous prime is 145240141. The next prime is 145240153. The reversal of 145240151 is 151042541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145240151 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 (145240153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10374290 + ... + 10374303.

It is an arithmetic number, because the mean of its divisors is an integer number (41497188).

Almost surely, 2^145240151 is an apocalyptic number.

145240151 is a deficient number, since it is larger than the sum of its proper divisors (20748601).

145240151 is an equidigital number, since it uses as much as digits as its factorization.

145240151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20748600.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145240151 is about 12051.5621808959. The cubic root of 145240151 is about 525.6486627661.

Adding to 145240151 its reverse (151042541), we get a palindrome (296282692).

The spelling of 145240151 in words is "one hundred forty-five million, two hundred forty thousand, one hundred fifty-one".