245154140 has 48 divisors (see below), whose sum is σ = 641862144. Its totient is φ = 76411200.

The previous prime is 245154121. The next prime is 245154167. The reversal of 245154140 is 41451542.

245154140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×245154140³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78056 + ... + 81135.

It is an arithmetic number, because the mean of its divisors is an integer number (13372128).

Almost surely, 2^245154140 is an apocalyptic number.

245154140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245154140 is an abundant number, since it is smaller than the sum of its proper divisors (396708004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245154140 is a wasteful number, since it uses less digits than its factorization.

245154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159218 (or 159216 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 245154140 is about 15657.3988899817. The cubic root of 245154140 is about 625.8636720964.

The spelling of 245154140 in words is "two hundred forty-five million, one hundred fifty-four thousand, one hundred forty".