1542465645 has 16 divisors (see below), whose sum is σ = 2820508800. Its totient is φ = 705127104.

The previous prime is 1542465643. The next prime is 1542465647. The reversal of 1542465645 is 5465642451.

1542465645 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1542465643) and next prime (1542465647).

It is not a de Polignac number, because 1542465645 - 2¹ = 1542465643 is a prime.

It is a super-3 number, since 3×1542465645³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1542465597 and 1542465606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542465643) 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, 7344970 + ... + 7345179.

It is an arithmetic number, because the mean of its divisors is an integer number (176281800).

Almost surely, 2^1542465645 is an apocalyptic number.

1542465645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542465645 is a deficient number, since it is larger than the sum of its proper divisors (1278043155).

1542465645 is a wasteful number, since it uses less digits than its factorization.

1542465645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14690164.

The product of its digits is 576000, while the sum is 42.

The square root of 1542465645 is about 39274.2364025069. The cubic root of 1542465645 is about 1155.4163263676.

The spelling of 1542465645 in words is "one billion, five hundred forty-two million, four hundred sixty-five thousand, six hundred forty-five".