151212145 has 8 divisors (see below), whose sum is σ = 207376704. Its totient is φ = 103688304.

The previous prime is 151212091. The next prime is 151212151. The reversal of 151212145 is 541212151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151212145 - 2²¹ = 149114993 is a prime.

It is a super-2 number, since 2×151212145² = 45730225591002050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160139 + ... + 2160208.

It is an arithmetic number, because the mean of its divisors is an integer number (25922088).

Almost surely, 2^151212145 is an apocalyptic number.

It is an amenable number.

151212145 is a deficient number, since it is larger than the sum of its proper divisors (56164559).

151212145 is an equidigital number, since it uses as much as digits as its factorization.

151212145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320359.

The product of its digits is 400, while the sum is 22.

The square root of 151212145 is about 12296.8347553344. The cubic root of 151212145 is about 532.7566646770.

Adding to 151212145 its reverse (541212151), we get a palindrome (692424296).

The spelling of 151212145 in words is "one hundred fifty-one million, two hundred twelve thousand, one hundred forty-five".