1540451054 has 8 divisors (see below), whose sum is σ = 2310984648. Its totient is φ = 770122840.

The previous prime is 1540451053. The next prime is 1540451063. The reversal of 1540451054 is 4501540451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540451051) 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, 30977 + ... + 63564.

It is an arithmetic number, because the mean of its divisors is an integer number (288873081).

Almost surely, 2^1540451054 is an apocalyptic number.

1540451054 is a deficient number, since it is larger than the sum of its proper divisors (770533594).

1540451054 is an equidigital number, since it uses as much as digits as its factorization.

1540451054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102690.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1540451054 is about 39248.5802800560. The cubic root of 1540451054 is about 1154.9130832941.

The spelling of 1540451054 in words is "one billion, five hundred forty million, four hundred fifty-one thousand, fifty-four".