145479253 has 2 divisors, whose sum is σ = 145479254. Its totient is φ = 145479252.

The previous prime is 145479247. The next prime is 145479259. The reversal of 145479253 is 352974541.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (145479247) and next prime (145479259).

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 4297329 = 11882^2 + 2073^2 .

It is a cyclic number.

It is not a de Polignac number, because 145479253 - 2⁵ = 145479221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145479259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72739626 + 72739627.

It is an arithmetic number, because the mean of its divisors is an integer number (72739627).

Almost surely, 2^145479253 is an apocalyptic number.

It is an amenable number.

145479253 is a deficient number, since it is larger than the sum of its proper divisors (1).

145479253 is an equidigital number, since it uses as much as digits as its factorization.

145479253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 145479253 is about 12061.4780603374. The cubic root of 145479253 is about 525.9369548114.

The spelling of 145479253 in words is "one hundred forty-five million, four hundred seventy-nine thousand, two hundred fifty-three".