151236145 has 4 divisors (see below), whose sum is σ = 181483380. Its totient is φ = 120988912.

The previous prime is 151236103. The next prime is 151236193. The reversal of 151236145 is 541632151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80407089 + 70829056 = 8967^2 + 8416^2 .

It is a cyclic number.

It is not a de Polignac number, because 151236145 - 2²¹ = 149138993 is a prime.

It is a super-2 number, since 2×151236145² = 45744743108922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15123610 + ... + 15123619.

It is an arithmetic number, because the mean of its divisors is an integer number (45370845).

Almost surely, 2^151236145 is an apocalyptic number.

It is an amenable number.

151236145 is a deficient number, since it is larger than the sum of its proper divisors (30247235).

151236145 is an equidigital number, since it uses as much as digits as its factorization.

151236145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30247234.

The product of its digits is 3600, while the sum is 28.

The square root of 151236145 is about 12297.8105774971. The cubic root of 151236145 is about 532.7848491053.

Adding to 151236145 its reverse (541632151), we get a palindrome (692868296).

The spelling of 151236145 in words is "one hundred fifty-one million, two hundred thirty-six thousand, one hundred forty-five".