145818633707 has 4 divisors (see below), whose sum is σ = 146012800416. Its totient is φ = 145624467000.

The previous prime is 145818633659. The next prime is 145818633743. The reversal of 145818633707 is 707336818541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707336818541 = 114749 ⋅6164209.

It is a cyclic number.

It is not a de Polignac number, because 145818633707 - 2¹² = 145818629611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145818633757) 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, 97082228 + ... + 97083729.

It is an arithmetic number, because the mean of its divisors is an integer number (36503200104).

Almost surely, 2^145818633707 is an apocalyptic number.

145818633707 is a deficient number, since it is larger than the sum of its proper divisors (194166709).

145818633707 is an equidigital number, since it uses as much as digits as its factorization.

145818633707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194166708.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 145818633707 in words is "one hundred forty-five billion, eight hundred eighteen million, six hundred thirty-three thousand, seven hundred seven".