1532154380 has 12 divisors (see below), whose sum is σ = 3217524240. Its totient is φ = 612861744.

The previous prime is 1532154373. The next prime is 1532154383. The reversal of 1532154380 is 834512351.

It is not an unprimeable number, because it can be changed into a prime (1532154383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38303840 + ... + 38303879.

It is an arithmetic number, because the mean of its divisors is an integer number (268127020).

Almost surely, 2^1532154380 is an apocalyptic number.

1532154380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532154380 is an abundant number, since it is smaller than the sum of its proper divisors (1685369860).

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

1532154380 is a wasteful number, since it uses less digits than its factorization.

1532154380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76607728 (or 76607726 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1532154380 is about 39142.7436442567. The cubic root of 1532154380 is about 1152.8359446211.

The spelling of 1532154380 in words is "one billion, five hundred thirty-two million, one hundred fifty-four thousand, three hundred eighty".