1545743130 has 64 divisors (see below), whose sum is σ = 3779654400. Its totient is φ = 404490240.

The previous prime is 1545743093. The next prime is 1545743137. The reversal of 1545743130 is 313475451.

It is a super-3 number, since 3×1545743130³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1545743091 and 1545743100.

It is not an unprimeable number, because it can be changed into a prime (1545743137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486186 + ... + 489354.

It is an arithmetic number, because the mean of its divisors is an integer number (59057100).

Almost surely, 2^1545743130 is an apocalyptic number.

1545743130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545743130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889827200).

1545743130 is an abundant number, since it is smaller than the sum of its proper divisors (2233911270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545743130 is a wasteful number, since it uses less digits than its factorization.

1545743130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1545743130 is about 39315.9398971969. The cubic root of 1545743130 is about 1156.2341037795.

The spelling of 1545743130 in words is "one billion, five hundred forty-five million, seven hundred forty-three thousand, one hundred thirty".