140454542 has 4 divisors (see below), whose sum is σ = 210681816. Its totient is φ = 70227270.

The previous prime is 140454533. The next prime is 140454551. The reversal of 140454542 is 245454041.

140454542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (140454533) and next prime (140454551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35113634 + ... + 35113637.

It is an arithmetic number, because the mean of its divisors is an integer number (52670454).

Almost surely, 2^140454542 is an apocalyptic number.

140454542 is a deficient number, since it is larger than the sum of its proper divisors (70227274).

140454542 is an equidigital number, since it uses as much as digits as its factorization.

140454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70227273.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 140454542 is about 11851.3519060063. The cubic root of 140454542 is about 519.8107570743.

The spelling of 140454542 in words is "one hundred forty million, four hundred fifty-four thousand, five hundred forty-two".