15450241401 has 45 divisors (see below), whose sum is σ = 26861766591. Its totient is φ = 8824234608.

The previous prime is 15450241399. The next prime is 15450241403. The reversal of 15450241401 is 10414205451.

The square root of 15450241401 is 124299.

It is a perfect power (a square), and thus also a powerful number.

15450241401 is a `hidden beast` number, since 15 + 4 + 5 + 0 + 241 + 401 = 666.

It is an interprime number because it is at equal distance from previous prime (15450241399) and next prime (15450241403).

It can be written as a sum of positive squares in only one way, i.e., 3322946025 + 12127295376 = 57645^2 + 110124^2 .

It is not a de Polignac number, because 15450241401 - 2¹ = 15450241399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15450241403) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7829851 + ... + 7831823.

Almost surely, 2^15450241401 is an apocalyptic number.

15450241401 is the 124299-th square number.

15450241401 is the 62150-th centered octagonal number.

It is an amenable number.

15450241401 is a deficient number, since it is larger than the sum of its proper divisors (11411525190).

15450241401 is an frugal number, since it uses more digits than its factorization.

15450241401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 15450241401 its reverse (10414205451), we get a palindrome (25864446852).

The spelling of 15450241401 in words is "fifteen billion, four hundred fifty million, two hundred forty-one thousand, four hundred one".