145252107 has 96 divisors (see below), whose sum is σ = 294368256. Its totient is φ = 66528000.

The previous prime is 145252069. The next prime is 145252117. The reversal of 145252107 is 701252541.

It is not a de Polignac number, because 145252107 - 2¹⁰ = 145251083 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145252117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206857 + ... + 207557.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^145252107 is an apocalyptic number.

145252107 is an abundant number, since it is smaller than the sum of its proper divisors (149116149).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145252107 is a wasteful number, since it uses less digits than its factorization.

145252107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145252107 is about 12052.0582059663. The cubic root of 145252107 is about 525.6630859655.

It can be divided in two parts, 145 and 252107, that added together give a palindrome (252252).

The spelling of 145252107 in words is "one hundred forty-five million, two hundred fifty-two thousand, one hundred seven".