145711963 has 8 divisors (see below), whose sum is σ = 147335760. Its totient is φ = 144093600.

The previous prime is 145711961. The next prime is 145711987. The reversal of 145711963 is 369117541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145711963 - 2¹ = 145711961 is a prime.

It is a super-2 number, since 2×145711963² = 42463952322626738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145711961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75456 + ... + 77362.

It is an arithmetic number, because the mean of its divisors is an integer number (18416970).

Almost surely, 2^145711963 is an apocalyptic number.

145711963 is a deficient number, since it is larger than the sum of its proper divisors (1623797).

145711963 is a wasteful number, since it uses less digits than its factorization.

145711963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its digits is 22680, while the sum is 37.

The square root of 145711963 is about 12071.1210332761. The cubic root of 145711963 is about 526.2172366729.

The spelling of 145711963 in words is "one hundred forty-five million, seven hundred eleven thousand, nine hundred sixty-three".