145773761 has 8 divisors (see below), whose sum is σ = 166858944. Its totient is φ = 124753680.

The previous prime is 145773751. The next prime is 145773767. The reversal of 145773761 is 167377541.

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 145773761 - 2¹⁴ = 145757377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145773767) 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, 11375 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (20857368).

Almost surely, 2^145773761 is an apocalyptic number.

It is an amenable number.

145773761 is a deficient number, since it is larger than the sum of its proper divisors (21085183).

145773761 is an equidigital number, since it uses as much as digits as its factorization.

145773761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32551.

The product of its digits is 123480, while the sum is 41.

The square root of 145773761 is about 12073.6805076166. The cubic root of 145773761 is about 526.2916176090.

It can be divided in two parts, 14 and 5773761, that added together give a palindrome (5773775).

The spelling of 145773761 in words is "one hundred forty-five million, seven hundred seventy-three thousand, seven hundred sixty-one".