245272077 has 32 divisors (see below), whose sum is σ = 368640000. Its totient is φ = 161164080.

The previous prime is 245272067. The next prime is 245272099. The reversal of 245272077 is 770272542.

It is not a de Polignac number, because 245272077 - 2⁴ = 245272061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245272057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026124 + ... + 1026362.

It is an arithmetic number, because the mean of its divisors is an integer number (11520000).

Almost surely, 2^245272077 is an apocalyptic number.

245272077 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

245272077 is a deficient number, since it is larger than the sum of its proper divisors (123367923).

245272077 is a wasteful number, since it uses less digits than its factorization.

245272077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 245272077 is about 15661.1646118672. The cubic root of 245272077 is about 625.9640180130.

It can be divided in two parts, 2452 and 72077, that added together give a square (74529 = 273²).

The spelling of 245272077 in words is "two hundred forty-five million, two hundred seventy-two thousand, seventy-seven".