151388245 has 4 divisors (see below), whose sum is σ = 181665900. Its totient is φ = 121110592.

The previous prime is 151388243. The next prime is 151388249. The reversal of 151388245 is 542883151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542883151 = 17 ⋅31934303.

It can be written as a sum of positive squares in 2 ways, for example, as 68541841 + 82846404 = 8279^2 + 9102^2 .

It is a cyclic number.

It is not a de Polignac number, because 151388245 - 2¹ = 151388243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151388243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15138820 + ... + 15138829.

It is an arithmetic number, because the mean of its divisors is an integer number (45416475).

Almost surely, 2^151388245 is an apocalyptic number.

It is an amenable number.

151388245 is a deficient number, since it is larger than the sum of its proper divisors (30277655).

151388245 is an equidigital number, since it uses as much as digits as its factorization.

151388245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30277654.

The product of its digits is 38400, while the sum is 37.

The square root of 151388245 is about 12303.9930510383. The cubic root of 151388245 is about 532.9633986273.

The spelling of 151388245 in words is "one hundred fifty-one million, three hundred eighty-eight thousand, two hundred forty-five".