1542772046 has 8 divisors (see below), whose sum is σ = 2315770560. Its totient is φ = 770848528.

The previous prime is 1542772043. The next prime is 1542772079. The reversal of 1542772046 is 6402772451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1542772046² = 4760291171838052232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542772043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265151 + ... + 270906.

It is an arithmetic number, because the mean of its divisors is an integer number (289471320).

Almost surely, 2^1542772046 is an apocalyptic number.

1542772046 is a deficient number, since it is larger than the sum of its proper divisors (772998514).

1542772046 is a wasteful number, since it uses less digits than its factorization.

1542772046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537498.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 1542772046 is about 39278.1369975716. The cubic root of 1542772046 is about 1155.4928266731.

The spelling of 1542772046 in words is "one billion, five hundred forty-two million, seven hundred seventy-two thousand, forty-six".