145252463 has 4 divisors (see below), whose sum is σ = 148795248. Its totient is φ = 141709680.

The previous prime is 145252447. The next prime is 145252483. The reversal of 145252463 is 364252541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364252541 = 23 ⋅15837067.

It is a cyclic number.

It is not a de Polignac number, because 145252463 - 2⁴ = 145252447 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771331 + ... + 1771412.

It is an arithmetic number, because the mean of its divisors is an integer number (37198812).

Almost surely, 2^145252463 is an apocalyptic number.

145252463 is a deficient number, since it is larger than the sum of its proper divisors (3542785).

145252463 is an equidigital number, since it uses as much as digits as its factorization.

145252463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542784.

The product of its digits is 28800, while the sum is 32.

The square root of 145252463 is about 12052.0729752188. The cubic root of 145252463 is about 525.6635154163.

The spelling of 145252463 in words is "one hundred forty-five million, two hundred fifty-two thousand, four hundred sixty-three".