151252245 has 32 divisors (see below), whose sum is σ = 273315840. Its totient is φ = 79341120.

The previous prime is 151252243. The next prime is 151252267. The reversal of 151252245 is 542252151.

It is not a de Polignac number, because 151252245 - 2¹ = 151252243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151252243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (8541120).

Almost surely, 2^151252245 is an apocalyptic number.

151252245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151252245 is a deficient number, since it is larger than the sum of its proper divisors (122063595).

151252245 is a wasteful number, since it uses less digits than its factorization.

151252245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18442 (or 18436 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 151252245 is about 12298.4651481394. The cubic root of 151252245 is about 532.8037544882.

The spelling of 151252245 in words is "one hundred fifty-one million, two hundred fifty-two thousand, two hundred forty-five".