145253015331 has 8 divisors (see below), whose sum is σ = 193708689600. Its totient is φ = 96816342312.

The previous prime is 145253015329. The next prime is 145253015333. The reversal of 145253015331 is 133510352541.

It is an interprime number because it is at equal distance from previous prime (145253015329) and next prime (145253015333).

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

It is not a de Polignac number, because 145253015331 - 2¹ = 145253015329 is a prime.

It is a super-2 number, since 2×145253015331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145253015292 and 145253015301.

It is not an unprimeable number, because it can be changed into a prime (145253015333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732465 + ... + 4763058.

It is an arithmetic number, because the mean of its divisors is an integer number (24213586200).

Almost surely, 2^145253015331 is an apocalyptic number.

145253015331 is a deficient number, since it is larger than the sum of its proper divisors (48455674269).

145253015331 is an equidigital number, since it uses as much as digits as its factorization.

145253015331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500625.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 145253015331 its reverse (133510352541), we get a palindrome (278763367872).

The spelling of 145253015331 in words is "one hundred forty-five billion, two hundred fifty-three million, fifteen thousand, three hundred thirty-one".