345542253205501 has 16 divisors (see below), whose sum is σ = 377123274440640. Its totient is φ = 313989255233280.

The previous prime is 345542253205489. The next prime is 345542253205507. The reversal of 345542253205501 is 105502352245543.

It is a happy number.

It is not a de Polignac number, because 345542253205501 - 2¹⁷ = 345542253074429 is a prime.

It is a super-2 number, since 2×345542253205501² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345542253205507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899219530 + ... + 899603716.

It is an arithmetic number, because the mean of its divisors is an integer number (23570204652540).

Almost surely, 2^{345542253205501} is an apocalyptic number.

It is an amenable number.

345542253205501 is a deficient number, since it is larger than the sum of its proper divisors (31581021235139).

345542253205501 is a wasteful number, since it uses less digits than its factorization.

345542253205501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420444.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 345542253205501 in words is "three hundred forty-five trillion, five hundred forty-two billion, two hundred fifty-three million, two hundred five thousand, five hundred one".