151021245 has 16 divisors (see below), whose sum is σ = 247528512. Its totient is φ = 78579840.

The previous prime is 151021237. The next prime is 151021249. The reversal of 151021245 is 542120151.

It is not a de Polignac number, because 151021245 - 2³ = 151021237 is a prime.

It is a super-3 number, since 3×151021245³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151021249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122167 + ... + 123396.

It is an arithmetic number, because the mean of its divisors is an integer number (15470532).

Almost surely, 2^151021245 is an apocalyptic number.

151021245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151021245 is a deficient number, since it is larger than the sum of its proper divisors (96507267).

151021245 is a wasteful number, since it uses less digits than its factorization.

151021245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245612.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 151021245 is about 12289.0701438311. The cubic root of 151021245 is about 532.5323747647.

Adding to 151021245 its reverse (542120151), we get a palindrome (693141396).

The spelling of 151021245 in words is "one hundred fifty-one million, twenty-one thousand, two hundred forty-five".