3420542154545 has 32 divisors (see below), whose sum is σ = 4181024010240. Its totient is φ = 2685673045440.

The previous prime is 3420542154541. The next prime is 3420542154571. The reversal of 3420542154545 is 5454512450243.

It is not a de Polignac number, because 3420542154545 - 2² = 3420542154541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420542154496 and 3420542154505.

It is not an unprimeable number, because it can be changed into a prime (3420542154541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773351204 + ... + 773355626.

It is an arithmetic number, because the mean of its divisors is an integer number (130657000320).

Almost surely, 2^{3420542154545} is an apocalyptic number.

It is an amenable number.

3420542154545 is a deficient number, since it is larger than the sum of its proper divisors (760481855695).

3420542154545 is a wasteful number, since it uses less digits than its factorization.

3420542154545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8165.

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 3420542154545 in words is "three trillion, four hundred twenty billion, five hundred forty-two million, one hundred fifty-four thousand, five hundred forty-five".