145100205346 has 4 divisors (see below), whose sum is σ = 217650308022. Its totient is φ = 72550102672.

The previous prime is 145100205329. The next prime is 145100205361. The reversal of 145100205346 is 643502001541.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 101477288025 + 43622917321 = 318555^2 + 208861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36275051335 + ... + 36275051338.

Almost surely, 2^145100205346 is an apocalyptic number.

145100205346 is a deficient number, since it is larger than the sum of its proper divisors (72550102676).

145100205346 is an equidigital number, since it uses as much as digits as its factorization.

145100205346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72550102675.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 145100205346 its reverse (643502001541), we get a palindrome (788602206887).

The spelling of 145100205346 in words is "one hundred forty-five billion, one hundred million, two hundred five thousand, three hundred forty-six".