145761463 has 4 divisors (see below), whose sum is σ = 149701000. Its totient is φ = 141821928.

The previous prime is 145761461. The next prime is 145761481. The reversal of 145761463 is 364167541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145761463 - 2¹ = 145761461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3939499 = 145761463 / (1 + 4 + 5 + 7 + 6 + 1 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145761461) 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, 1969713 + ... + 1969786.

It is an arithmetic number, because the mean of its divisors is an integer number (37425250).

Almost surely, 2^145761463 is an apocalyptic number.

145761463 is a deficient number, since it is larger than the sum of its proper divisors (3939537).

145761463 is an equidigital number, since it uses as much as digits as its factorization.

145761463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939536.

The product of its digits is 60480, while the sum is 37.

The square root of 145761463 is about 12073.1712072678. The cubic root of 145761463 is about 526.2768172401.

The spelling of 145761463 in words is "one hundred forty-five million, seven hundred sixty-one thousand, four hundred sixty-three".