145252413 has 16 divisors (see below), whose sum is σ = 215640000. Its totient is φ = 96631920.

The previous prime is 145252363. The next prime is 145252421. The reversal of 145252413 is 314252541.

It is not a de Polignac number, because 145252413 - 2⁹ = 145251901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145252483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8083 + ... + 18863.

It is an arithmetic number, because the mean of its divisors is an integer number (13477500).

Almost surely, 2^145252413 is an apocalyptic number.

It is an amenable number.

145252413 is a deficient number, since it is larger than the sum of its proper divisors (70387587).

145252413 is a wasteful number, since it uses less digits than its factorization.

145252413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289 (or 11283 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 145252413 is about 12052.0709008867. The cubic root of 145252413 is about 525.6634551002.

The spelling of 145252413 in words is "one hundred forty-five million, two hundred fifty-two thousand, four hundred thirteen".