1542973229 has 8 divisors (see below), whose sum is σ = 1763955840. Its totient is φ = 1322130096.

The previous prime is 1542973219. The next prime is 1542973241. The reversal of 1542973229 is 9223792451.

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

It is a de Polignac number, because none of the positive numbers 2^k-1542973229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542973229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542973219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9974 + ... + 56439.

It is an arithmetic number, because the mean of its divisors is an integer number (220494480).

Almost surely, 2^1542973229 is an apocalyptic number.

It is an amenable number.

1542973229 is a deficient number, since it is larger than the sum of its proper divisors (220982611).

1542973229 is an equidigital number, since it uses as much as digits as its factorization.

1542973229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69739.

The product of its digits is 272160, while the sum is 44.

The square root of 1542973229 is about 39280.6979189525. The cubic root of 1542973229 is about 1155.5430512909.

The spelling of 1542973229 in words is "one billion, five hundred forty-two million, nine hundred seventy-three thousand, two hundred twenty-nine".