145640343362 has 4 divisors (see below), whose sum is σ = 218460515046. Its totient is φ = 72820171680.

The previous prime is 145640343353. The next prime is 145640343419. The reversal of 145640343362 is 263343046541.

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., 125111471521 + 20528871841 = 353711^2 + 143279^2 .

It is a super-2 number, since 2×145640343362² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36410085839 + ... + 36410085842.

Almost surely, 2^145640343362 is an apocalyptic number.

145640343362 is a deficient number, since it is larger than the sum of its proper divisors (72820171684).

145640343362 is an equidigital number, since it uses as much as digits as its factorization.

145640343362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72820171683.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 145640343362 in words is "one hundred forty-five billion, six hundred forty million, three hundred forty-three thousand, three hundred sixty-two".