61835142 has 16 divisors (see below), whose sum is σ = 127660032. Its totient is φ = 19946760.

The previous prime is 61835141. The next prime is 61835143. The reversal of 61835142 is 24153816.

It is an interprime number because it is at equal distance from previous prime (61835141) and next prime (61835143).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61835141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166038 + ... + 166409.

It is an arithmetic number, because the mean of its divisors is an integer number (7978752).

Almost surely, 2^61835142 is an apocalyptic number.

61835142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61835142 is an abundant number, since it is smaller than the sum of its proper divisors (65824890).

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

61835142 is a wasteful number, since it uses less digits than its factorization.

61835142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332483.

The product of its digits is 5760, while the sum is 30.

The square root of 61835142 is about 7863.5324123450. The cubic root of 61835142 is about 395.4380484548.

Adding to 61835142 its reverse (24153816), we get a palindrome (85988958).

It can be divided in two parts, 6183 and 5142, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 61835142 in words is "sixty-one million, eight hundred thirty-five thousand, one hundred forty-two".