142373149 has 4 divisors (see below), whose sum is σ = 142646940. Its totient is φ = 142099360.

The previous prime is 142373123. The next prime is 142373159. The reversal of 142373149 is 941373241.

142373149 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 can be written as a sum of positive squares in 2 ways, for example, as 58522500 + 83850649 = 7650^2 + 9157^2 .

It is a cyclic number.

It is not a de Polignac number, because 142373149 - 2²³ = 133984541 is a prime.

It is a super-2 number, since 2×142373149² = 40540227112352402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142373159) 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, 136114 + ... + 137155.

It is an arithmetic number, because the mean of its divisors is an integer number (35661735).

Almost surely, 2^142373149 is an apocalyptic number.

It is an amenable number.

142373149 is a deficient number, since it is larger than the sum of its proper divisors (273791).

142373149 is an equidigital number, since it uses as much as digits as its factorization.

142373149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273790.

The product of its digits is 18144, while the sum is 34.

The square root of 142373149 is about 11932.0219996445. The cubic root of 142373149 is about 522.1669301167.

The spelling of 142373149 in words is "one hundred forty-two million, three hundred seventy-three thousand, one hundred forty-nine".